PROBLEM POSSIBLE CAUSE SOLUTION
• Air conditioner will not
operate.
• Inefficient or no cooling.
• Noisy unit
• Odors
• Water dripping outside
• Water dripping inside
• Ice or frost build-up
• No power to the unit.
• Dirty air filter
• Unit size inappropriate for
application
• Blocked air flow
• Power interruption, settings
changed too quickly, or
compressor overload tripped.
• Loose parts
• Inadequate support
• Formation of mold, mildew, or
algae on wet surfaces.
• Hot and humid weather
• Unit is not properly angled to
allow water to drain outside
• Low outside temperature
• Unit air filter is dirty
• 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.
• Clean/replace air filter
• Check with dealer to determine
proper unit capacity for application
• Remove obstruction from grill or
outdoor louvres
• Turn the unit off and wait 5
minutes before attempting to
restart.
• Tighten loose parts
• Provide additional support to unit
• Clean unit thoroughly
• Place algaecide tablet in base pan
• Condensation run-off is normal
under these conditions
• Unit must be installed on an angle
for proper condensation run-off.
Check the unit and make any
adjustments.
• 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.
• Remove and clean filter.
10
Occasionally, a problem may occur that is minor, 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:
1-800-26- (1-800-263-2629)
TROUBLESHOOTING
NOTES: 1) If circuit breaker is tripped repeatedly, or fuse is blown more than once, contact a
qualified technician
2) When unit is installed using proper installation steps, unit is properly tipped toward
the outdoors to allow for condensation run-off.
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