Leer VM40, Инструкция по установке, эксплуатации и обслуживанию

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[11]
Refrigeration Trouble Shooting Table
Problem Area to Check Area to Check Potential Faults
Ice Melting
Condensing unit fan
motor running? Yes Evaporator fan
motor(s) running
with snowflake
icon illuminated? Yes
No

Broken fan blade

Possible dirty condenser

Defective evaporator fan motor

Defective wiring to evaporator fan
motor(s)
Compressor
functioning?
No

Defective relay, overload, capacitor,
compressor, or component wiring
Compressor
functioning: ice
build-up on
compressor coil? Yes

Evaporator hose obstructed or kinked

Defective wiring in defrost circuit

Possible defective defrost heat, circuit,
or controller
Compressor
functioning: no ice
build-up on
compressor coil? Yes

Incorrect refrigerant

Wrong or low voltage

Impurities in refrigerant charge
Interior light
functioning? Yes
No Defrost icon (left
hand of control
display)
No

Defective controller wiring

Defective evaporator fan wiring

Defective bulb

Defective controller wiring

Defective evaporator fan wiring
Condensing unit fan
and compressor
running when
plugged into
substitute power
source No

Defective motor

Defective wiring

Defective controller

Defective wiring in circuit