10.2 IN ABNORMAL CONDITION
B
A
Sel.
MODEL :E .00
Alarm Code:
13
00-00
AlarmRst
Address
Entr
OK
C
E
D
10.2.1 Abnormality
The RUN (red) indicator flashes and the ALARM indicator
appears on the liquid crystal display.
The screen also displays the following items:
-
A: indoor unit address.
-
B: Refrigerant cycle number.
-
C: Alarm code.
-
D: Model code.
Model code
Indication
Model
H
Heat pump
P
Inverter
F
Multi (SET-FREE)
C
Cooling only
E
Other
b
IVX, individual operation
L
KPI
-
E: If there are various indoor units connected, the above
mentioned information is shown for each one of them.
10.2.2 Power failure
All the indications are OFF.
Once the unit is stopped by the power failure, the unit will not be
started again although the power recovers. Perform the starting
procedures again.
In case of instantaneous power failure within 2 seconds, the unit
will be started again automatically.
10.2.3 Electric noise
There could be a case that all the indications are OFF and the
unit is stopped. This is occurred by the activation of the micro
computer for the unit protection from the electric noise.
Perform the starting procedures again.
10.3 ALARM CODES
Code
number
Category
Abnormality
Cause
01
Indoor unit
Activation of the safety device
Activation of lloat switch (high water level in drain pan, abnormality of drain
pipe, float switch or drain pan)
02
Outdoor unit
Activation of the safety device
Activation of PSH (pipe clogging, excessive refrigerant, inert gas mixing)
03
Transmission
Abnormal transmission between
outdoor and indoor units
Incorrect wiring, loose terminals, disconnected, communication cable,
blowout of fuse, indoor unit power OFF
04
Abnormal transmission between
inverter PCB and outdoor unit PCB
Inverter PCB-Outdoor PCB communication failure
(loose connector, wire breaking, blowout of fuse)
05
Power supply Abnormality of power supply phases
Incorrect power supply, connection to reversed phase, open-phase
06
Voltage
Abnormal Inverter Voltage
Outdoor voltage decrease, insufficient power capacity
OTHER INDICATIONS
PMML0496 rev.1 - 12/2020
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