Danby DAC5277EE - Page 14

Trouble shooting Guide
Frequently, a problem 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 Danby’s Toll Free Number 1-800-263-2629 for
assistance, or call one of our service depots listed in the enclosed “Authorized Service Depot” listing provided
with this unit.
Difficulty
Possible Cause
Air conditioner will
not operate.
No power to unit.
Suggested Solution
Check connection of power cord to
power source.
Check fuse or circuit breaker.
Set SELECTOR SWITCH to position other
than “OFF”.
Inefficient or no cooling.
Dirty air filter.
Unit size inappropriate
for application.
Blocked air flow.
Power interruption, settings
changed too quickly, or
compressor overload tripped.
Clean or replace air filter.
Check with dealer to determine proper unit
capacity for application.
Remove obstruction from grill or
outdoor louvers.
Turn the unit off and wait 5 minutes before
attempting to re-start.
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.
Condensation run-off is normal
during hot and humid weather.
Add flexible tubing to redirect water flow,
see Fig.25
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.
Ice or frost build-up.
Low outside temperature.
Unit air filter is dirty.
When outdoor temperature is approximately
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.
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 towards the
outdoors to allow for condensation run-off.
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