
140
Compressor & Remote Condenser
COMPRESSOR
NO
NO
NO
YES
NO
COMPRESSOR
WILL NOT GO
OFF
COMPRESSOR
WILL NOT COME
ON
VERIFY KEYPAD/DISPLAY GOOD,
SEE KEYPAD / DISPLAY TROUBLE
SHOOTING PAGE 7
COMPRESSOR
WILL STILL NOT
GO OFF
COMPRESSOR
WILL STILL NOT
COME ON
YES
ELSE
VERIFY ICE BANK
PROBE TIP #1 IN ICE
PULL CARB A CONN
TO RESET
CONDUCTIVE
PROBES
PULL ICE BANK
CONN ON ERC,
COMPRESSOR
SHOULD GO OFF
SHORT ICE BANK
CONNECTOR #3ALL
PINS
REPLACE ICE
BANK PROBE
REPLACE
HPCO
SWITCH
VERIFY HPCO
SWITCH
CLOSEDSHORT
CONN 12
REPLACE ICE
BANK PROBE
020002091
REPLACE ERC
CONTROL BD
020001985
VERIFY VOLTAGE
AT COMP OUTPUT
TERMINALS ON
ERC
REPLACE ERC
CONTROL BD
020001985
CHECK
CONNECTO
RS AND
WIRING TO
CONTACTOR
COIL
REPLACE
CONTACTOR
VERIFY VOLTAGE
AT CONTACTOR
COIL
VERIFY PROPER
VOLTAGE AT
COMPRESSOR
REPLACE
COMPRESSOR
FAN / REMOTE
CONDENSER
REFRIGERATION
SYSTEM
OUTPUT TERMINALS
ARE COMMON TO
COMPRESSOR
OUTPUT TERMINALS
ON ERC
CHECK CONNECTORS
AND WIRING TO FAN /
REMOTE
CONDENSERCHECK
MOTORS
IF COMPRESSOR
COMES ON AND STILL
NO COOLING, USE
REFRIGERATION
TROUBLESHOOTING
CHECK (LIQUID LINE
TEMP) AND EVAP OUT
TEMP
STH13_Tech.book Page 140 Wednesday, September 15, 2010 3:20 PM