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EXCEL HR OPERATOR MANUAL
D1796, REV. D, 12/16
Maintenance
Troubleshooting Guide
If your system fails to operate properly, this troubleshooting guide will help you to locate and correct any
problems. First, please check for the following items:
1. Electrical power source...verify that the electrical disconnect switch (i.e., circuit breaker) is
in the on (up) position.
2. System console electrical...verify that the system is on and properly connected to an
electrical service outlet.
3. Remote Interlock...verify that the remote interlock plug is inserted into the interlock
receptacle. If the remote interlock plug is used in conjunction with an external door switch,
verify that the treatment room door is closed.
System does not turn on. The touchscreen does not illuminate.
Probable Cause: The system is not plugged in.
Suggestion: Place the system main power circuit breaker in the off (down) position,
insert the system electrical power cord plug into the appropriate outlet,
and place the system main power circuit breaker in the on (up) position.
Turn the keyswitch to the start position.
Probable Cause: The building power (main electrical service) is turned off.
Suggestion: Turn on the building power or reset the room circuit breaker.
Probable Cause: The system main power circuit breaker is in the off (down) position.
Suggestion: Place the system main power circuit breaker in the on (up) position.
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