Troubleshooting, Warning – A.J. Antunes & Co HDH-4 9300130 User Manual
Page 9
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P/N 1010736 Rev. G 05/14
TROUBLESHOOTING
WARNING
To avoid possible personal injury and/or damage to the unit, inspection, test and repair of electrical equip-
ment should be performed by qualified service personnel. The unit should be unplugged when servicing.
Problem
Possible Cause
Corrective Action
Unit will not heat. Heat Indicator Light does not
turn on.
No power.
Check that the power cord is plugged into
the appropriate outlet. Check fuse or circuit
breaker.
Inoperable outlet.
Plug power cord into another appropriate
outlet.
Hi-Limit Thermostat is tripped.
Reset Hi-Limit Thermostat.
Inoperable Hi-Limit Thermostat.
Replace Hi-Limit Thermostat.
Inoperable power cord or plug.
Replace power cord.
Inoperable Thermostat.
Replace Thermostat.
Inoperable Power Switch
Replace Power Switch
No heat or insufficient heat. Heat Indicator Light is
on.
Inoperable Heating Element.
Replace Heating Element.
Inoperable Thermostat.
Replace Thermostat.
Water continues to boil after Temperature Control
Knob is set to low temperature.
Inoperable Thermostat.
Replace Thermostat.