MDC FORBES 15+ 2021 - Page 53

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Times of ashes
of LED
Troubleshooting
1 Check whether the fuel pipe is blocked or whether the fuel in the
tank is sufcient.
a. Check whether the exhaust pipe is blocked.
b. Check whether fuel mass is appropriate.
2 a. Check whether the fuel pipe is blocked or whether the fuel in the
tank is sufcient.
b. Check whether the exhaust pipe is blocked.
c. Check whether fuel mass is appropriate.
d. Replace the fuel pump
3 Abnormal voltage, if the voltage is very low, then battery should be charged.
4 a. Use ventilation mode cooling if temperature over high.
b. Or replace controller.
6 Replace controller
7 a. Check whether fuel pump lead connection is reliable.
b. Replace fuel pump.
c. Replace controller.
8 a. Check whether the fan wheel have any scrape.
b. Replace fan motor assembly.
c. Replace controller.
9 a. Clean the carbon deposition of glow plug.
b. Replace glow plug.
c. Replace controller.
10 a. Whether air inlet and outlet are blocked.
b. Whether junction box cover tightly.
c. Whether inlet air and exhaust air short circuit.
11 a. Check overheat sensor (normal temperature resistance is about 1kΩ).
b. Replace overheat sensor.
12 a. Check connection of control switch.
b. Replace control switch.
13 Need to clean up the carbon deposition and maintenance work.
14 Replace controller.