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Electrical Control Panel Troubleshooting
For more information, see the electrical control panel documentation.
Problem
Disconnect is ON, but no indica-
tor lights are lit
g
High Temperature Alarm lights
High Temperature Alarm indicator
is lit before the unit has heated up
18
309213
Cause(s)
The ground fault interrupt has been
activated
One or more fuses has (have) been
blown
The temperature of a heated compo-
nent has gone out of range.
One or more temperature controllers
has different alarm value settings.
One or more temperature controllers
correspond to zones that are not in use.
Solution(s)
Reset the ground fault interrupt.
See procedure on page 17.
Replace the blown fuse(s)
Supply unit automatically turns off
power to supply unit components
and air motor. Unit turns power
back on when overheated compo-
nents reach appropriate tempera-
tures.
Set the alarm values on all temper-
ature controllers to the same set-
tings.
Turn off the unused temperature
controller(s). See Form 309100.
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