Occasionally a problem may arise that is minor in nature, and a service call may not be neccessary. Use this troubleshoot-
ing guide for a possible solution. If the unit continues to operate improperly, call an authorized service depot or
Danby’s Toll Free Number 1-800-263-2629 for assistance.
TROUBLESHOOTING
PROBLEM POSSIBLE CAUSE SOLUTION
Air conditioner will
not operate
• No power to the unit • Check connection of power cord to power
source.
• Check fuse or circuit breaker.
• Set SELECTOR SWITCH to position other than
“OFF”. The power cord “RESET” button must
always be pushed in (engaged) for correct oper-
ation.
Ineffi cient or no
cooling
• Dirty air fi lter • Clean/replace air fi lter
• Unit size inappropriate for application • Check with dealer to determine proper unit ca-
pacity for application
• Blocked air fl ow • Remove obstruction from grill or outdoor louvres
• Power interruption, settings changed
too quickly, or compressor overload
tripped
• Turn the unit off and wait 5 minutes before at-
tempting to restart
Noisy unit • Loose parts • Tighten loose parts
• Inadequate support • Provide additional support to unit
Odors • Formation of mold, mildew, or algae
on wet surfaces
• Clean unit thoroughly
• Place algaecide tablet in base pan
Water dripping
outside
• Hot and humid weather • Condensation run-off is normal under these
conditions.
Water dripping inside • Unit is not properly angled to allow
water to drain outside
• Unit must be installed on an angle for proper
condensation run-off. Check the unit and make
any adjustments.
• It is an extremely humid day • On an extremely humid day, this effect is expect-
ed. No action required.
Ice or frost build-up • Low outside temperature • When outdoor temperature is approximately
18.3°C (65°F) or below, frost may form when
unit is in cooling mode. Switch unit to FAN (only)
operation until frost melts.
• Unit air fi lter is dirty • Remove and clean fi lter
NOTES:
1. If circuit breaker is tripped repeatedly, or fuse is blown more than once, contact a qualifi ed technician.
2. When the unit is installed using proper installation steps, the unit is properly tipped toward the outdoors to allow for
condensation run-off.
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