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SELF-DIAGNOSIS
When the error indication "E:EE" is displayed, inspection of the air conditioning system is necessary. Please consult author-
ized service personnel.
(1) Stop the air conditioner operation.
(2)
Press the SET TEMPERATURE buttons
(3) Press the SET TEMPERATURE buttons simultaneously for 5 seconds or more to stop the self-diagnosis.
OPERATING TIPS
Instructions related to heating are applicable to "HEAT PUMP MODELS" and "HEAT RECOVERY MODELS" only.
Cooling/heating priority (AIRSTAGE
(VRF system Heat Pump model only))
• If another indoor unit in the same system is already oper-
ating in the cooling mode or dry mode, heating mode set-
tings cannot be performed.
• If another indoor unit in the same system is already oper-
ating in the heating mode, cooling mode or dry mode set-
tings cannot be performed.
Setting restriction
When
is displayed there are functions for which set-
tings cannot be made.
Automatic defrosting operation and oil
recovery operation
During automatic defrosting operation and oil recovery op-
eration,
will be displayed on the remote controller.
TROUBLESHOOTING
Before requesting service, perform the following checks:
Symptom
CHECK ONCE
Doesn't operate at all.
MORE
If the problem persists after performing these checks, or if you notice burning smells, immediately stop operation, turn off the
electrical breaker and consult authorized service personnel.
SPECIFICATIONS
REMOTE CONTROLLER (WIRED TYPE)
MODEL
UTB- UB
SU MO TU WE TH FR SA
ex. Error display
simultaneously for 5 seconds or more to start the self-diagnosis.
TM
G
Has there been a power failure?
G
Has a fuse blown out, or a circuit breaker been tripped?
G
Is the main power switch set to the OFF position?
G
Is the timer operating?
POWER
HEIGHT [mm]
DC 12 V
120
Faulty unit number
(remote controller address)
SU MO TU WE TH FR SA
ex. Self-diagnosis check
Weekly timer
• Set different operating times for each day of the week.
• Set one or two operating spans (one or two ON times and
one or two OFF times) per day.
• Set time to a resolution of 30 minutes.
• OFF time can be carried over to the subsequent day.
• Use the "DAY OFF" setting to cancel operation for any day
of the coming week (one-time cancellation).
Day off
• Use the "DAY OFF" setting to switch off timed operation
for a selected day in the coming week.
• This is a temporary, one-time setting. The "DAY OFF" set-
ting is automatically cleared as soon as the specified day
passes.
Temperature SET BACK timer
Use this timer function to change the set temperature in the
operation times set for each day of the week.
This can be used together with other timer settings.
Cause and Action
DIMENSIONS & WEIGHT
WIDTH [mm]
DEPTH [mm]
120
Error code
WEIGHT [g]
17
160
En-8
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