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TROUBLESHOOTING
9
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 operation.
Ineffi cient or no cooling • Dirty air fi lter
• Unit size inappropriate for appli-
cation
• Blocked air fl ow
• Power interruption, settings
changed too quickly, or compres-
sor overload tripped
• Clean/replace air fi lter
• Check with dealer to determine
proper unit capacity for application
• Remove obstruction from grill or
outdoor louvres
• Turn the unit off and wait 5 min-
utes before attempting to restart
Noisy unit • Loose parts
• Inadequate support
• Tighten loose parts
• 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
• It is an extremely humid day
• Unit must be installed on an angle
for proper condensation run-off.
Check the unit and make any
adjustments.
• On an extremely humid day, this
effect is expected. No action
required.
Ice or frost build-up • Low outside temperature
• Unit air fi lter is dirty
• When outdoor temperature is
approximately 18.3°C (65°F) or
below, frost may form when unit is
in cooling mode.
• 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.
Occasionally, a minor problem may arise, and a service call may not be necessary- use this troubleshooting guide for
a possible solution. If the unit continues to operate improperly, call an authorized service depot or Danby’s Toll Free
Number for assistance.
Tel: 1-800-26- (1-800-263-2629)
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