ARB 47L - Fault Finding Flow Charts; Fridge will not run on 100-240 V AC power

Revision Date – 22/12/2014 page 22
7 FAULT FINDING FLOW CHARTS
7.1 Fridge will not run on 100-240V AC power
REPLACE CONTROL UNIT
reassemble, test unit and return to customer
FRIDGE DOES NOT OPERATE ON AC POWER
TEST MAIN CIRCUIT BOARD
REPLACE MAIN CIRCUIT BOARD
reassemble, test unit and return to customer
DOES THE
FRIDGE WORK
ON DC POWER?
REFER TO DC TESTING
TEST COMPRESSOR CONTROL UNIT
YES
YES
FRIDGE DOES NOT RUN
Contact ARB for technical advise
IS THE MAIN
CIRCUIT BOARD
FAULTY?
IS THE
COMPRESSOR
CONTROL UNIT
FAULTY?
YES
NO
YES
NO
CHECK DEVICE FUSE
IS THE
DEVICE FUSE
BLOWN?
REPLACE DEVICE FUSE
reassemble, test unit and return to customer
CHECK AC POWER SOCKET AND LEAD
FOR CORRECT VOLTAGE AND POLARITY
CHECK ELECTRICAL CONNECTIONS INSIDE
FRIDGE BETWEEN AC POWER SOCKET AND
COMPRESSOR CONTROL UNIT
NO
NO
Refer to 9.13
Refer to 8.3
Refer to 8.4
Refer to 9.4
Refer to 9.3
Refer to 9.13