En-15
Unit number
Error code
Ex. Self-diagnosis
SU MO TU WE TH FR SA
Error code
Error contents
01
13
26
27
Indoor signal error
00
Wired remote controller abnormal
02
Indoor room temperature sensor error
04
Indoor heat exchanger temperature sensor
(middle) error
28
Indoor heat exchanger temperature sensor (inlet)
error
09
Float switch operated
0c
Outdoor discharge pipe temperature sensor error
06
Outdoor heat exchanger temperature sensor
(outlet) error
0A
Outdoor temperature sensor error
0E
Heat sink thermistor (Inverter) error
15
Compressor temperature sensor error
1d
2-way valve temperature sensor error
1E
3-way valve temperature sensor error
29
Outdoor heat exchanger temperature sensor
(middle) error
2d
Heat sink thermistor (P.F.C) error
20
Indoor manual auto switch abnormal
2A
Power supply frequency detection error
17
IPM protection
18
CT error
1A
Compressor location error
1b
Outdoor fan error
1F
Connected indoor unit abnormal
1c
Outdoor unit computer communication error
2E
Inverter error
12
Indoor fan abnormal
0F
Discharge temperature error
24
Excessive high pressure protection on cooling
2c
4-way valve abnormal
16
Pressure switch abnormal, Pressure sensor abnormal
2b
Compressor temperature error
2F
Low pressure error
19
Active filter abnormal
25
PFC circuit error
30
Refrigerant circuit address set-up error
31
Master unit, Slave unit set-up error
32
Connected the indoor number set-up error
33
P.F.C. printed circuit board error
If “C0” appears in the unit number display, there is a remote
controller error.
Unit number
Error code
Content
C0
1d
Incompatible indoor unit is
connected
C0
1c
Indoor unit ↔ remote control
-
ler communication error
13. SPECIAL INSTALLATION METHODS
CAUTION
When setting DIP switches, do not touch any other parts
•
on the circuit board directly with your bare hands.
Be sure to turn off the main power.
•
[Group control system]
A number of indoor units can be operated at the same time
using a single remote controller.
Wiring method (indoor unit to remote controller)
(1)
1 2 3
1 2 3
1 2 3
1 2 3
1 2 3
Indoor unit 0
Indoor unit 1
Indoor unit 2
Indoor unit 3
Bus wire
Remote
controller cord
When ground wire is necessary
Remote controller
DIP switch setting (Indoor unit)
(2)
Set the unit number of each indoor unit using the DIP
switches on the indoor unit circuit board. (See the follow-
ing table and figure.)
The DIP switches are normally set to make the unit
number 0.
Indoor unit
Unit number
DIP SWITCH No.
1
2
3
4
0
OFF
OFF
OFF
OFF
1
ON
OFF
OFF
OFF
2
OFF
ON
OFF
OFF
3
ON
ON
OFF
OFF
4
OFF
OFF
ON
OFF
5
ON
OFF
ON
OFF
6
OFF
ON
ON
OFF
7
ON
ON
ON
OFF
8
OFF
OFF
OFF
ON
9
ON
OFF
OFF
ON
10
OFF
ON
OFF
ON
11
ON
ON
OFF
ON
12
OFF
OFF
ON
ON
13
ON
OFF
ON
ON
14
OFF
ON
ON
ON
15
ON
ON
ON
ON
Example : No. 3
ON
1
2
3
4
NOTE
Be sure to set the unit numbers sequentially.
1125-9379122009.indd 15
2008/11/26 7:57:06
www.enindel.com
