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5520, 5525, & 5530 WARMING
CABINETS
3. Trouble Analysis
+11.6 or -11.6 Power Supply Problem
Good
0 or low voltage
Supply voltage not at
-11.6
or
+11.6V
re-
spectively
Voltage is higher value
Voltage
Correct
L
Good
Check Trouble Anal-
ysis
"Unit will not turn on"
Power
supply
good
Recalibrate power
supply
Good
Still
plow V
Good
Recalibrate per speci-
fied
procedure
Still
low V
Check voltage at
power supply term-
Voltage is 0
inals
Voltage
good
Good
Repair
faulty wiring
Check
input AC vol-
Input voltage OK
tage to power
supply
Check
input wiring
Replace power
supply
calibrate
y
Unable to
Replace power
supply
12
30926
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