User manual

14
Unit will not operate
Poor cooling or
heating performance
Indicator lamps
continue ashing
Error code appears
in the indoor unit,
such as: E0,E1,E2....
P1,P2,P3.....or F1, F2,
F3.....
-- Is there a power failure?
-- Has a switch been turned o, a circuit breaker tripped or a fuse blown?
-- Is the timer operating?
-- Are the batteries used in the remote controller exhausted?
-- Are the batteries used in the remote controller loaded properly?
-- Are the air lters dirty?
-- Is air ow unrestricted in & out of indoor & outdoor units?
-- Are the temperature and mode settings correct?
-- Are the windows or doors left opened?
-- Is fan speed on high and louvers allowing maximum ow?
-- Is direct or strong sunlight shinning into the room in cooling operation?
-- Is the SILENCE function is activated? Under SILENCE operation,
noise reduction is prioritized and the air-conditioning performance may
become lower.
--
The unit may stop operation or continue to run in a safety condition
(depending on models). Waiting for about 10 minutes, the fault may be
recovered automatically, if not, disconnect the power and then connect it
in again. If the problem still exists, disconnect the power and contact the
nearest customer service center.
-- Are there other heating apparatus or computers operating, or too many
people in the room in cooling operation?
Symptom
Diagnostic
DO NOT ATTEMPT TO CORRECT THESE
ITEMS YOURSELF!
CONTACT AN AUTHORIZED SERVICE
PROVIDER!
Before you call for or request servicing, troubleshoot a problem by performing following checks:
If the problem persists even if you perform these checks or diagnostics, immediately stop operation
and contact the authorized service center. Be sure to inform them of the detailed malfunctions and unit
model number.
CAUTION
In the case of ANY of the following, turn off the unit
immediately!
-- Power cord is damaged or abnormally warm.
-- Burning odors are smelled.
-- Loud or abnormal sounds are heard.
-- A power fuse blows or a circuit breaker trips frequently.
-- Water or other objects fall into or out of the unit.
TROUBLESHOOTING