Friedrich WallMaster WCVT12B30A Handleiding (90 Pagina's)

Handleiding

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TROUBLESHOOTING

For loss of compressor motor control, compressor startup faults, and compressor phase overcurrent

Figure 607

FaultCode18:InverterImmediateFault1(7810,7813,7800)

LossofCompressorControl,CompressorStartupFault,

CompressorPhaseOverCurrent)

Arefilerorcoil sdirty

orobstructed

CleanFilterandcoilsYES

Iswiringto

Compressorloose

damaged,or

incorrect?

NO

YES

Repairorcorrect

wiring

Istherea

restrictionorblock

inrefrigeration

system?Pressure

toohigh?

NO

Repairrefrigeration

system

YES

Hascompressor

malfunctioned

Seecompressor

checks

Replaceifithasa

malfunction

NO

YES

ReplaceMainPCB

NO

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