Service manual

46
Installation and Service Manual
TROUBLESHOOTING
PROBLEM ANALYSIS GUIDE - 3 RELAY BOARD
Problem
Long freeze cycle
Cause
Siphon not breaking
A) Siphon not vented
B) Float set too high
C) Float stuck
D) Flow control washer missing
or upside down (numbers
must be facing up)
Water leaking around pan or curtain
Dirty condenser or fan blade
Louvers at condenser obstructed
Ambient or water temperature too
high
Condenser discharge air recircu-
lating
Low charge
Solenoid hot gas valve leaking
(not seated)
Water regulator valve set too high
or stuck (water units only)
Corrective Action
Install siphon break tube
Adjust
Clean or replace
Replace or install
Adjust
Clean as required
Remove obstruction
Advise customer
Install condenser baffle
Check for leak, correct, evacuate,
recharge
Replace
Adjust, clean or replace (settings
108
o
F (42
o
C) discharge water tem-
perature