YILKAR YH COMFORT, Operating Instructions Manual

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10. Error codes
Cause: The cable may be cut or the socket may be disconnected. The glow plug may be defective or
broken.
Device Response: When the device sees the error, it wants to switch to stop mode. If the system is
hot, it will operate cooling mode before stopping.
Troubleshooting:
* Check glow plug cable and sockets.
* Remove the spark plug and check the internal resistance test.
YH 12 Volts - 0.6 Ω + - 0.1 Ω
YH 24 Volts - 1.6 Ω + - 0.2 Ω
* If the resistance values are not within this range, replace the glow plug.
* Reset the device from the button or disconnect the power supply and then connect again.
E 01 : Glow Plug Open Circuit
Cause: Cable may be cut or short-circuited.
Device Response: When the device sees the error, it wants to switch to stop mode, if the system is
hot, it will operate cooling mode before stopping.
Troubleshooting:
* Check glow plug cable and sockets.
* Remove the glow plug and check it by performing a current test.
8 volts - 7.8A ± 1.5A @ 20 ° C
18 volts - 5.2A ± 0.5A @ 20 ° C
* If the values are not in this range; Replace the glow plug.
* If no problems are observed in the cable, sockets and current test, replace the YHC.
* Reset the device from the button or disconnect the system from the power supply and connect again.
E 02 : Glow Plug High Current
Cause: The cable may be cut or the socket may be disconnected. The fuel pump may have failed.
Device Response: If the system detects an error while in the stop mode, the system will not operate
and an error will appear on the screen. If the pump is in an open state while the system is running, the
system will likely go into stop mode by cooling to detect that the flame has gone out (E19) or that the
combustion has not started (E15).
Troubleshooting:
* Check the fuel pump cable and connectors.
* Disconnect the fuel pump connector (J7) and measure the resistance value of the fuel pump.
12v pump - 5 Ω ± 0.5 Ω
24v pump - 20.8 Ω ± 0.5 Ω
If the resistance does not match, replace the fuel pump.
If the resistance is correct, reconnect the fuel pump.
* YH Disconnect the external connector J8-J9 and measure the resistance between pins 3 and 4 on J9
if it is OK (approx.2 Ω); Replace the YHC.
* Reset the device from the button or disconnect the system from the power supply
and connect again.
E 03 : Fuel Pump Open Circuit
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