Operation / Technical Manual
NORM-O-TEMP
®
, Model 111W
Page 63 of 82
Section 7.
Troubleshooting Guide
Observation
Possible Problem
Action To Be Taken
A. The power switch is
pressed to the ON position
but it does not light; control
panel is blank
Unit is unplugged.
Power switch is defective
Fuse is open
No line voltage
Check that the power cord is
plugged into a properly
grounded hospital grade
outlet.
Replace the power switch.
See Section 6-13.
Check the circuit breaker for
the outlet.
Check for possible open in
electrical system.
B. Each time the power
switch is pressed to the
ON position, it snaps
back to the OFF position
The fuses are defective.
Check amperage at switch.
If the current measurement
is less than the specified
amperage draw check for
electrical short in unit.
If the current measurement
is more than the specified
amperage draw check the
heater and pump amperage.
CAUTION
This device is still energized when the power switch is in the off position. To
completely disconnect the device from the power source, remove the power cord plug
from the power source.