8 Troubleshooting
262
SMGB0077 rev.0 - 01/2013
8.6 DX-Interface EXV-(2.0-10.0)E1 or KPI-(E/H/X)3E alarm codes
Code
No.
DX-
KIT2
KPI-
S3
KPI-
Active
Category Type of Abnormality Main cause
01 o - o Indoor Activation of protection device
Float switch activation (high water level in drain hose or
abnormality in drain pipe, oat switch or drain pan).
03 o - o Transmission Transmission Error
Outdoor fuse meltdown, Indoor/outdoor connection wir-
ing (breaking, wiring error, etc.)
11 o o o Indoor Air inlet thermistor (RA for KPI) Loose, disconnected, broken or short-circuited connector
12 o o o Indoor Air outlet thermistor (OA for KPI) Loose, disconnected, broken or short-circuited connector
13 o - o Indoor Liquid pipe thermistor Loose, disconnected, broken or short-circuited connector
14 o - o Indoor Gas pipe thermistor Loose, disconnected, broken or short-circuited connector
15 - - - Indoor
Fresh Outdoor Air Thermistor
(Econofresh)
Loose, disconnected, broken or short-circuited connector
16 - - o Indoor Air inlet DX Coil thermistor (Tincoil) Loose, disconnected, broken or short-circuited connector
17 - - o Indoor
Air outlet DX Coil thermistor (Tout-
coil)
Loose, disconnected, broken or short-circuited connector
18 (o) o o Indoor
Indoor RA fan protection device
activation for KP
Fan motor overheating, locking.
19 o o o Indoor
Indoor OA fan protection device
activation for KPI or DX-KIT2 Fan
Fan motor overheating, locking.,
31 o - o System
Incorrect setting of outdoor and
indoor units
Outdoor/Indoor Unit capacity setting error, Indoor total ca-
pacity excessively large/small
35 o - o System Indoor Unit Number Setting Error
Indoor units with the same number exist in a refrigerant
piping system
70 o o o Indoor
Abnormal transmission between
PCB1 and PCB2
Loose, disconnected
71 o o o Indoor Incorrect PCBs setting Wrong setting are performed in PCBs
EE o - o Compressor
Compressor protection alarm (can-
not be reset from the remote con-
troller)
This alarm code is displayed when the following alarms
are triggered three times within six hours: 02,07,08,39,43
to 45, 47
74 - - - Indoor Remote sensor thermistor (Trem)
Loose, disconnected, broken or short-circuited con-
nector
These alarm codes are displayed in the 7 segments on PCB2 corresponding to the DX-Interface EXV-(2.0-10.0)E1 or
KPI-(E/H/X)3E.
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