Troubleshooting - Carrier Expressions 38CS030 Owner's Manual

TROUBLESHOOTING GUIDE
Refer to the Troubleshooting Guide below bet_)re contacting your local deaten
PROBLEM POSSIBLE CAUSE SOLUTION
• No command transmitted to unit. • Press the ON/OFF button.
Unit/system does not work • Unit did not receive transmitted command. • Make sure that remote control is pointed at unit
during command transmission.
• Unit is not properly connected. • Check electrical connection.
POWER Lamp is not lit • Automatic circuit breaker switches to OFE • Reset breaker.
• Fuse burned. • Replace fuse.
FILTER Lamp is lit • Filters require cleaning. • Remove and clean filters.
• Move the operation switch to OFF, then REMOTE.
Lower the desired temperature setting.
Unit is working, but does not
perform the required operation
• Desired temperature setting is higher than
room air temperature when operating in the
COOLING mode.
• Desired temperature setting is lower than
room air temperature when operating in the
HEATING mode.
• The control system is malfunctioning.
• There is no direct line of sight between the
remote control and the unit.
• Incorrect operation or malfunction.
Various indicator lamps behave
other than listed in previous table
• The operation switch on the Display Panel
Unit does not operate with the is in the AUTO or OFF position.
remote control • The remote control batteries are weak.
• The remote control is malfunctioning.
The remote control of another • Both remote control are transmitting on the
air conditioner interferes with same wavelength.
unit operation
Raise the desired temperature setting.
Move the operation switch to OFF, then REMOTE.
Place the remote control where there is a direct
line of sight to the unit.
• Move the operation switch to OFF, then to REMOTE.
Restart the unit. If the problem persists, call service
personnel.
• Move the operation switch to the REMOTE position.
• Replace the batteries.
• Turn the unit ON and OFF using the operation switch.
• Call Service Personnel.