Pramotronik 30ZhD24, 35Zh24, 141.8106
Decoding errors
1 — Flame failure during heater operation
Causes
- Lack of fuel
- Fuel suction line leaking
- Thickening of fuel in the fuel line during climate change
2 - Heater does not start
Causes
- Poor contact in electrical connections
- Lack of fuel
- Fuel filter clogged
- The tightness in the suction line of the heater fuel line is broken
- Thickening of fuel in the fuel line during climate change
3 - Supply voltage does not meet specified limits
Causes
- Malfunction of the ATS voltage regulator
4 - Supply voltage does not meet specified limits
Causes
- Battery discharged
7 - Heater does not start
Causes
- Electric pump circuit open
8 - Solenoid valve circuit malfunction
Causes
- Solenoid valve circuit malfunction
- Heat exchanger overheated, thermal fuse tripped
Other faults
No voltage
Lamps HL1 and HL2 do not light up when the heater is turned on.
Causes
- Poor contact in electrical connections
- Fuse blown
- Poor contact at battery terminals
- Broken heater power wiring harness
- The polarity of the heater power wires on the battery is reversed
Design and operating principle
The heater has a voltage regulator and a timer. Constant work in offline mode is possible. Ignition is started electronically only if all requirements are met and the components are in full working order, so there is no reason to worry about the safety of the design.
The main components of Planar:
- power unit;
- heating element;
- pump for pumping fuel.
The operating principle of the autonomous unit is to supply air from outside to the heating compartment. This air is heated by the energy generated by the combustion of fuel. The warm air is then released into the interior of the car, van or bus.
The planar consists of 3 main elements
Advantages of using air heaters:
- low cost;
- low fuel consumption;
- work is set according to temperature or power;
- when the engine is turned off during long periods of inactivity of the machine, very little electricity is consumed;
- does not make much noise;
- due to the brushless motor, the service life is increased;
- Design diagnostics are carried out automatically.
In this video you will learn how the heater works:
Pramotronik 12ZhD24, 16Zh24, 24.8106
Decoding errors
1 - Battery voltage is not normal
Number of flashes: 1
Repair recommendations
- Check the voltage at the connector. The voltage should be from 20÷30 V.
- If the voltage is less than 20 V, charge the battery or replace it; if more than 30 V, check the voltage regulator
2 - Two startup attempts used
Number of flashes: 2
Repair recommendations
- Check the presence of fuel in the fuel tank, disconnect the fuel line from the heater and check the fuel supply, if there is no fuel, check the operation of the fuel pump, replace if necessary
- Check the air intake filter for clogging
- Check the exhaust pipe for blockage
3 - Flame interruption in the combustion chamber
Number of flashes: 3
Repair recommendations
- Check the amount of fuel supplied
- Check the air intake filter for clogging
- Check the exhaust pipe for blockage
- If the heater starts and turns off, check the flame indicator and replace if necessary.
4 - Electric pump malfunction
Number of flashes: 4
Repair recommendations
- Check the electric motor circuit with the harness for open circuit and short circuit. The resistance between the terminals should be ~1 Ohm
5 - Fuel pump malfunction
Number of flashes: 5
Repair recommendations
- Check the fuel pump harness for opens and short circuits without disconnecting it from the pump. The resistance between the terminals should be ~ 20 Ohms.
6 - Malfunction of the ambient temperature sensor circuit
Number of flashes: 6
Repair recommendations
- Check the connector connecting the remote control and the ambient temperature sensor
- Check the harness for a break
7 - Blower motor circuit malfunction
Number of flashes: 7
Repair recommendations
- Check the electric motor circuit, replace the air blower if necessary
8 - Faulty glow plug
Number of flashes: 8
Repair recommendations
- Check the spark plug chain. Resistance should be ~2 ohms
9 - Lack of communication with the control panel
Number of flashes: 9
Repair recommendations
- Check the connector connecting the control panel to the heater control unit
10 - Malfunction of the incoming fluid temperature sensor circuit
Number of flashes: 10
Repair recommendations
- Check the connector connecting the sensor to the control unit
- Check the harness for a break
11 - Malfunction of the outgoing fluid temperature sensor circuit
Number of flashes: 11
Repair recommendations
- Check the connector connecting the sensor to the control unit
- Check the harness for a break
13 - Heat exchanger overheating
Number of flashes: 13
Repair recommendations
- Check the electric pump
- Check the presence (level) of coolant and the absence of air pockets in the liquid system
Errors Planar 4DM2-12-S / 4DM2-24-S
| Code | Number of LED flickers | Problem | Reason for error |
| 13 | 2 | The device does not start after two attempts. | There is no fuel in the tank. The quality of the fuel does not meet the conditions of use in cold weather. Lack of fuel. The air intake or exhaust pipe is dirty. Poor heating of the glow plug, failure of the control unit. The impeller is in contact with the volute in the air blower, due to which insufficient air is supplied. Contamination of the hole in the combustion chamber (diameter - 2.8 mm). Contamination of the spark plug grid or incorrect installation in the fitting (not all the way). |
| 20 | The device does not start. | There is no connection between the remote control and the control unit. | |
| 01 | 1 | Exceeding the permissible temperature. | The temperature sensor sends a signal to turn off the autonomy. The heat exchanger in the area where the sensor is installed has reached a temperature of over 250?C. |
| 08 | 3 | The flame breaks out during operation. | Leaks in the fuel supply line, failure of the fuel pump or flame indicator. |
| 09 | 4 | Glow plug problems. | Broken or short circuited wiring, failure of the control unit. |
| 05 | 5 | Flame indicator is broken. | A break in the electrical wiring or a short circuit to ground (housing) of the indicator. |
| 04 | 6 | Error in temperature sensor in control unit. | Failure of the temperature sensor (located in the control unit, replacement is not possible). |
| 17 | 7 | Fuel pump error. | Open or short circuit in the electrical circuit of the fuel pump. |
| 12 | 9 | Shutdown, voltage exceeds 16 V (above 30 V for 24 V device). | Failure of the battery or voltage regulator. |
| 15 | 9 | Shutdown, voltage below 10V (below 20V for 24V device). | Failure of the battery or voltage regulator. |
| 10 | 11 | The electric blower motor does not reach the required speed. | Electric motor failure. Lack of lubrication in the bearings or contact of the impeller with the volute in the supercharger. |
| 16 | 10 | Ventilation is too weak to reduce the temperature of the heat exchanger and combustion chamber of the device. | During the purging process before starting work, the flame indicator is not cooled to the required value. Malfunction of the flame indicator, control unit or air blower. |
| 27 | 11 | The motor does not turn. | Jamming as a result of destruction of the rotor, bearing, or the ingress of various objects. |
| 28 | 11 | The engine rotation speed does not change, it does not respond to control commands. | Failure of the electrical motor control board or control unit. |
| 02 | 12 | Possibility of overheating based on temperature sensor. Its temperature exceeds 55°. | Before starting, during purging for 5 minutes there is not enough cooling or the control unit overheats during operation. |
Pramotronik 143.8106
Decoding errors
1 — Flame failure during heater operation
Causes
- Lack of fuel
- The tightness in the supply line of the heater fuel line is broken
- Fuel solidification in the fuel line during climate change
2 - Heater does not start
Causes
- Poor contact in electrical connections
- Lack of fuel
- Fuel filter clogged
- The tightness in the supply line of the heater fuel line is broken
- Thickening of fuel in the fuel line during climate change
3 - Supply voltage does not meet specified limits
Causes
- Battery discharged
7 - Malfunction of the solenoid valve circuit
Causes
- Solenoid valve circuit malfunction
- Heat exchanger overheated, heater thermal fuse tripped
9 - Heater does not start
Causes
- Open circuit in the electric pump circuit
10 - Supply voltage does not meet specified limits
Causes
- Malfunction of the ATS voltage regulator
Possible error codes and malfunctions
Planar heater error codes
The Planar indicator system signals errors. A number of breakdowns can be repaired yourself:
- 1 on the screen or blinking indicator - heat exchanger overheating. You need to check the air flow through the heater.
- 2 or 12 short flickers after a pause – the device itself is overheating. Check the pipes and air supply to the combustion chamber.
- 12 or 15 or 9 quick flashes indicate power surges. The device turns off.
- 12 or 2 flickers - starting is impossible due to lack of fuel, air, or a violation in the exhaust gases.
- 20 or 30 and 8 flickers – communication between the module and the control panel is lost. Check the cables.
- 29 or 3 blinks of the LED – flame failure in the burner. You need to check the fuel supply.
- 35 or 13 flickers is an error unique to the 8DM model. Flame failure due to low voltage.
- 78 – marked only on the screen. This is a warning that flameouts are occurring too frequently.
Problems indicated by the following codes cannot be eliminated independently. Requires dismantling of the device and intervention of a specialist:
- 4 or 6 or 6 flickers – the temperature sensor has failed.
- 5 or 5 flashes – flame indicator is broken.
- 9 or 4 flickers – the problem is in the glow plug.
- 10, 27, 28 or 11 blinks – the electric drive is damaged;
- 11 on the screen or 18 flickers - the temperature sensor on the supply pipe is broken.
- Problems on the incoming pipe are coded by the number 23 or 15 flickers.
- 17 or 7 flashes – fuel pump failure.
- The appearance of the number 33 or 16 flashes after a pause indicates that the device is blocked, since overheating was recorded three times in a row. Unlocking is carried out only at a service center.
- 36 or 20 flickers – the flame temperature sensor detects the temperature is too high.
Specifications
Let's consider the popular model 4DM 12 24. This is also a Planar autonomous vehicle. Its price is 19,400 rubles. The device is a diesel autonomous heater. The device has the following technical characteristics.
Thus, the level of heat production is 3 kW in active mode, and 1 kW in low mode. Fuel consumption in active mode is 0.36 l/h. In low mode, the device consumes up to 0.12 l/h. Power consumption - up to 30 W. Injected air – 120 m3/h. The supply voltage is 12 and 24 V. All these characteristics were measured at rated supply voltages and a temperature of 20 degrees. There may be a slight measurement error.
Equipment and characteristics
The heater package includes all components and parts of the device. The number and type of additional elements depends on the model. Mandatory include all fasteners - washers, bolts, clamps, corners with gaskets, plugs, screens, and also all connecting elements - power harness, fuel pump, exhaust pipe. The planar is equipped with its own fuel tank and control panel.
There are 4 types of device. The main characteristics are shown in the table.
| Model | 2D-12-S(24S) | 4DM2-12-S (24 S) | 44D-12-GP-S (24 S) | 8M-12-S (24 S) |
| Rated voltage, V | 12 (24) | 12 (24) | 12 (24) | 12 (24) |
| Thermal power, kW (max and min) | 0,8–2,0 | 1,0–3,0 | 1,0–4,0 | 2,0–6,0 |
| Fuel consumption, l/hour (max and min) | 0,1–0,24 | 0,12–0,37 | 0,12–0,51 | 0,42– 0,76 |
| Power consumption, W (max and min) | 10–29 | 9–38 | 10–58 | 8–85 |
| Volume of heated air, cubic meters m/hour (max min) | 34–75 | 70–120 | 70–120 | 70–175 |
| Start and stop mode | Manual/remote | Manual | Manual/remote | Manual |
| Weight, kg | 10 | 10 | 10 | 12 |
The air heater Planar 4DM2 24 differs from 12 only in the current requirements - 24 V, not 12 V.
