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Electrical Control Panel Troubleshooting
309213G
15
Electrical Control Panel Troubleshooting
For more information, see the electrical control panel documentation.
Problem
Cause(s)
Solution(s)
Disconnect is ON, but no indicator
lights are lit
The ground fault interrupt has been
activated
Reset the ground fault interrupt.
See procedure on page 14.
One or more fuses has (have) been
blown
Replace the blown fuse(s)
High Temperature Alarm lights
The temperature of a heated component
has gone out of range.
Supply unit automatically turns off
power to supply unit components and air motor.
Unit turns power back on when overheated
components reach appropriate temperatures.
High Temperature Alarm lights
One or more temperature controllers
has different alarm value settings.
Set the alarm values on all temperature
controllers to the same set- tings.
One or more temperature controllers
correspond to zones that are not in use.
Turn off the unused temperature
controller(s). See Form 309100.