MDT CASTLE 5520 Service Manual page 19

5520, 5525, & 5530 WARMING CABINETS
3. Trouble Analysis
24V Power Supply Problem
Voltage low 24 VAC supply not at Voltage high
24 VAC +5V
Voltage Check Trouble Anal-
DI ysis 24V transformer good Check input wiring 24V
9 "Unit will not turn on" good
Voltage
low
Voltage :
Check input voltage
good and wiring Replace transformer
Voltage
low
Voltage
good Check if fuse is bad
Voltage
good Check 24V wiring
Replace transformer
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