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MDC FORBES 15+ 2021 - Trouble Shooting

MDC FORBES 15+ 2021
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www.marketdirect.com.au Ph: 1300 494 494
48
Times of ashes
of LED
Cause of trouble
1 Failure of second start.
2 Termination of the third time of combustion.
3 Power voltage out of specied range.
4 Combustion chamber temperature too high during self-check period.
6 Broken circuit or short-circuit of temperature sensor.
7 Broken circuit or short-circuit of fuel pump.
8 Broken circuit, short-circuit, or rotation clogging of fan motor.
9 Broken circuit or short-circuit of glow plug.
10 Ambient temperature over high before starting or furnace body temperature
over high during heating process.
11 Broken circuit or short-circuit of overheating sensor.
12 Broken circuit or short-circuit of control switch.
13 Maintenance reminder: More than 800 hours of work time.
14 Failure of controller.
Trouble Shooting
January 2019 onward trouble shooting
When entering fault mode, the display will ash the LED lights to indicate the fault code. This will be indicated by:
2 long ashes of 2 seconds followed by a sequence of ashes with a 0.5 second interval. The number of quick ashes
indicates the fault code on the table below.

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