Model HCH-930/932
1-3. TROUBLESHOOTING (Continued)
Problem
Cause
Correction
HEATING SYSTEM
A. Unit not heating
• Faulty thermostat
• Check thermostat
• Faulty high limit
• Check high limit
• Faulty heater
• Check heater
• Faulty wiring
• Check wiring for loose connections
or broken wires
B. Unit not heating
• Faulty blower
• Check blower and replace if bad
to desired temperature
• Thermometer not indicating
• Check cabinet temperature with
true temperature
another thermometer; if necessary,
replace thermometer
C. Unit overheats
• Faulty thermostat
• Check thermostat
• Faulty blower
• Check blower and replace if bad
POWER SECTION
A. With power switch
• Unit not connected to electrical
• Connect unit to electrical supply
turned on, the cabinet
supply
is inoperative
• Open circuit breaker or fuse
• Reset circuit breaker, or replace
fuse
• Faulty cord or plug
• Check cord and plug
• Faulty power switch
•
Check power switch
B. With power switch
• Open high limit
• With unit cool, check high limit
turned on, the blower
and fan operate, but
• If the high limit opened because of
the power light is
overheating, refer back to part C
off, and the unit
of the Heating System trouble-
won’t heat
shooting
203
1-3
Summary of Contents for HCH-930
Page 1: ...TECHNICAL MANUAL Henny Penny Heated Holding Cabinet Model HCH 930 Model HCH 932...
Page 2: ......
Page 4: ...ii 703...
Page 8: ...Model HCH 930 932 THIS PAGE INTENTIONALLY LEFT BLANK 1 4 703...
Page 21: ...Model HCH 930 932 807 2 13 2 20 WIRING DIAGRAMS...
Page 22: ...Model HCH 930 932 2 14 807 2 20 WIRING DIAGRAMS Continued...
Page 23: ...Model HCH 930 932 807 2 15 2 20 WIRING DIAGRAMS Continued...