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Fault Diagnostic LED for fridge Volvo FH4 P82174077, 82212505
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Fault Diagnostic LED for fridge Volvo FH4 P82174077, 82212505

Service LED on the electronic board for diagnostics of operation of the Volvo FH4 fridge P82174077, 82212505 and the correct operation of the electronic module. The control lamp for monitoring the fridge operation enables and signals faults in the operation of the refrigerator, compressor. Troubleshooting Self Diagnostics.

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Fault Diagnostic LED for Volvo FH4 model P82174077 refrigerator


For shows fridge operation and fault diagnosis. If the fridge works properly, the LED lights up green, while in the event of a fault it lights up red and the error code appears on the upper display.

Number Of flashes Error type
E1

Battery protection cut-out

(The voltage is outside the cut-out setting)

E2

Fan over-current cut-out

(The fan loads the electronic unit with more than 1A peak).

E3

Motor start error

 (The rotor is blocked or the differential pressure in the refrigeration system is too high (>5 bar)).
E4

Minimum motor speed error

(If the refrigeration system is too heavily loaded, the motor cannot maintain minimum speed 1,850 rpm).

E5

Thermal cut-out of electronic unit

(If the refrigeration system has been too heavily loaded, or if the ambient temperature is high, the electronic unit will run too hot).

E6

NTC failure

(Damage to the NTC sensor).

E7

Communication failure

(Display electronics or compressor electronics unit not receiving communication).

E8

Tilt sensor active

(Tilt switch sensor open circuit).

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