Alarm Codes For The Kpi (E/H/X)3E Series And Dx Interface - Hitachi RAS-2-HVNP Service Manual

8. Troubleshooting
8.2.4 Alarm codes for the KPI (E/H/X)3E Series and DX Interface
Code DX- KPI- KPI-
No. KIT2 S3 Active
01 o - o
03 o - o
11 o o o
12 o o o
13 o - o
14 o - o
15 - - -
16 - - o
17 - - o
18 (o) o o
19 o o o
31 o - o
35 o - o
70 o o o
71 o o o
EE o - o
74 - - -
252
SMGB0079 rev.0 - 01/2013
Category Type of Abnormality
Indoor Activation of protection device
Transmission Transmission Error
Indoor Air inlet thermistor (RA for KPI)
Indoor Air outlet thermistor (OA for KPI)
Indoor Liquid pipe thermistor
Indoor Gas pipe thermistor
Fresh Outdoor Air Thermistor
Indoor
(Econofresh)
Indoor Air inlet DX Coil thermistor (Tincoil)
Air outlet DX Coil thermistor (Tout-
Indoor
coil)
Indoor RA fan protection device
Indoor
activation for KP
Indoor OA fan protection device
Indoor
activation for KPI or DX-KIT2 Fan
Incorrect setting of outdoor and
System
indoor units
System Indoor Unit Number Setting Error
Abnormal transmission between
Indoor
PCB1 and PCB2
Indoor Incorrect PCBs setting
Compressor protection alarm (can-
Compressor not be reset from the remote con-
troller)
Indoor Remote sensor thermistor (Trem)
Main cause
Float switch activation (high water level in drain hose or
abnormality in drain pipe, float switch or drain pan).
Outdoor fuse meltdown, Indoor/outdoor connection wir-
ing (breaking, wiring error, etc.)
Loose, disconnected, broken or short-circuited connector
Loose, disconnected, broken or short-circuited connector
Loose, disconnected, broken or short-circuited connector
Loose, disconnected, broken or short-circuited connector
Loose, disconnected, broken or short-circuited connector
Loose, disconnected, broken or short-circuited connector
Loose, disconnected, broken or short-circuited connector
Fan motor overheating, locking.
Fan motor overheating, locking.,
Outdoor/Indoor Unit capacity setting error, Indoor total ca-
pacity excessively large/small
Indoor units with the same number exist in a refrigerant
piping system
Loose, disconnected
Wrong setting are performed in PCBs
This alarm code is displayed when the following alarms
are triggered three times within six hours: 02,07,08,39,43
to 45, 47
Loose, disconnected, broken or short-circuited con-
nector