Trouble Diagnostic Chart - Whirlpool WRI27SG Service Manual

PROBLEM POSSIBLE CAUSE
Service cord unplugged
No power at outlet
Relay and OLP
Compressor
will not start
Improper Electronic board
connection
Loose connections
Motor winding
Compressor stuck
Moisture restriction
Compressor
runs ,but no or
insufficient
Permanent restriction
cooling
Low charge or no charge

TROUBLE DIAGNOSTIC CHART

REAMEDY
Plug in elctrical outlet.
Check proper voltage availability with multimeter.
Using starting coard, check compressor direactly If compressor
starts, check relay,and OLP individuall with multymeter and
replace onc one found to be defeactive .If compressor doesn't start
replace compressor.
Check for board connection if not connected properly then connect
as per wiring diagram,If there is any Physical damage then
replace the board.
Check circuit from power source to compressor.
Check winding resistance for proper values.If found defeactive
then replace.
Try starting with starting cord. If compressor won't start ,change
compressor
Characterised by heavy frost around eveaporator inlet,Heat frosted
area If frost line moves farther along coil after heating restriction
was properly caused by moisture Freeze up .Discharge unit
evacuate, using system procedure and recharge.
First check for moisture restriction, check for crimped or damaged
tubing. Repair or replace leaking component.
Check for leak. Add leak charge if necessary to get internal
pressure. Repair leak, or replace leaking component.
12
REV-00 25/04/07
SERVICE