Chapter 6: Alarms and System Failure Codes
Alarms
6-10 Service Manual
6.1.18 Motor Drive Failure Alarm
6.1.19 Power Failure (LED Indicator)
Cause or Circumstances Failure Action
The software has detected that
the elevating base motor or the
canopy motor was running
when not turned on.
Defective relay board Replace the relay board.
Note: Humidifier will not operate
during this failure.
Cause or Circumstances Failure Action
No AC power into device On/Off switch is not turned on. Verify cord is plugged into a live
wall outlet. Verify power switch/
circuit breaker on back of device is
turned on.
Mains power is present but the
5V power supply is not present.
Defective fuse F1 or F2 on relay
board
Check the 5 volt supply. If no 5 volts,
possible defective fuses on mains
to the power supply, check F1 and
F2 on relay board.
Defective power supply Check input to power supply for
mains voltage. If present and no 5
volts at output, then power supply
is defective.