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Electrical Control Panel Troubleshooting
For more information about the electrical control panel, see the electrical control panel's documentation.
Problem
Disconnect is ON, but no indica-
tor lights are lit
g
High Temperature Alarm lights
Heat is turned off after a period of
pump inactivity
High Temperature Alarm indicator
is lit before the unit has heated up
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.
Pump has not moved within the pro-
grammed time period and the inactivity
timer has been triggered.
One or more temperature controllers
has different dip switch 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 27.
Replace the blown fuse(s).
Supply unit automatically turns off
power to supply unit components.
Unit turns power back on when
overheated components reach ap-
propriate temperatures.
See procedure on page 27.
Set the dip switches on all tempera-
ture controllers to the same set-
tings. See Fig. 5 page 15.
Disable unused temperature con-
troller(s). See procedure on
page 16.
310–534
33
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