SystemAir SYSVRF AHU 10HP S, Installation & Owner'S Manual

Page: 15 / 16

11. TROUBLE SHOOTING
Table.11-1
NO. Type Contents Error code Remarks
Mode conflict
After the malfunctions disappear, it
restores automatically.
1
2
3
4
5
Malfunction
Malfunction
Fig.11-1
DEF and fan LED Infrared signal receiver Operation LED
Timer LED Alarm indicator Inquire button LED display
6
8
7
Alarm
Recover to normal display until finish
setting address
Alarm
Alarm
After the malfunctions disappear, it
restores automatically.
Malfunction
Malfunction
Malfunction
The LED display show “FE”
No address when first time
power on
The LED display show “H0”
M_home non-matching,
or connect with “MS” device
The LED display show “E0”
The LED display show “E1”
Communication error between
indoor and outdoor unit or
between master indoor and
slaver indoor unit
The LED display show “E2” Temperature sensor (T1) error
The LED display show “E3” Temperature sensor (T2) error
The LED display show “E4”
Temperature sensor (T2B) error
Temperature sensor (T2C) error
The LED display show “E7”
EEPROM error
The LED display show “Ed”
Outdoor unit error
The LED display show “EE”
Water lever alarm
The LED display show “H7”
Quantity of parallel connected
indoor units not match
After the malfunctions disappear, it
restores automatically.
After the malfunctions disappear, it
restores automatically.
After the malfunctions disappear, it
restores automatically.
Malfunction
9
After the malfunctions disappear, it
restores automatically.
13
installation manual
Note, If SIEMENS controller gets an alarm information from DX AHU box. Identify and correct problem first, then put a jumper to D5-M
terminals to restore it.