Air to Air Heat Exchanger
Installation Manual
EN
Air to Air Heat Exchanger
Installation Manual
– 24 –
14
Troubleshooting
Confirmation and check
When an error occurred in the Air to Air Heat
Exchanger, the check code and the unit No. of Air to Air
Heat Exchanger appear on the display part of the
remote controller.
The check code is only displayed during the operation.
If the display disappears, operate the Air to Air Heat
Exchanger according to the following “Confirmation of
error history” for confirmation.
* Unit No. of Air to Air Heat Exchanger is 31-OO.
Confirmation of error history
When an error occurred on the Air to Air Heat
Exchanger, the error history can be confirmed with the
following procedure. (The error history is stored in
memory up to 4 troubles.)
The error can be confirmed from both operating status
and stop status.
1
When pushing
and
buttons at the
same time for 4 seconds or more, the
following display appears.
If [Service check]
is displayed, the mode
enters in the trouble history mode.
• [
01
: Order of error history] is displayed in CODE
No. window.
• [Check code] is displayed in CHECK window.
• [Air to Air Heat Exchanger address in which an
error occurred] is displayed in Unit No.
* Unit No. of Air to Air Heat Exchanger is 31-OO.
2
Every pushing of
button used to set
temperature, the error history stored in
memory is displayed in order.
The numbers in CODE No. indicate CODE No.
[
01
] (latest)
→
[
04
] (oldest).
REQUIREMENT
Do not push
button because all the error history of
the Air to Air Heat Exchanger will be deleted.
3
After confirmation, push
button to return
to the usual display.
Check code
Unit No. of the Air to Air Heat
Exchanger with a problem
3
2
1
Check codes and parts to be checked
* “Indoor” in “Judging device” refers to the Air to Air Heat Exchanger or the air conditioner.
Wired remote
controller
display
Main defective parts
Judging
device
Parts to be checked / error description
E01
No header remote
controller
Remote
controller
Incorrect remote controller setting --- The header remote
controller has not been set (including two remote controllers).
Remote controller
communication error
No signal can be received from the indoor unit.
E02
Remote controller
transmission error
Remote
controller
System interconnecting wires, indoor P.C. board, remote
controller --- No signal can be sent to the indoor unit.
E03
Indoor unit-remote
controller regular
communication error
Indoor
Remote controller, network adapter, indoor P.C. board --- No
data is received from the remote controller or network adapter.
E08
Duplicated indoor
addresses
Indoor
Indoor address setting error --- The same address as the self-
address was detected.
E09
Duplicated header
remote controllers
Remote
controller
Remote controller address setting error --- Two remote
controllers are set as header in the double-remote controller
control.
(* The header indoor unit stops raising alarm and follower indoor
units continue to operate.)
E18
Header indoor unit-indoor
follower unit regular
communication error
Indoor
Indoor P.C. board --- Regular communication is not possible
between header and follower indoor units or between twin
header (main) and follower (sub) units.
F17
Air to Air Heat Exchanger
(TOA) error
Air to Air Heat
Exchanger
Outdoor Air sensor (TOA), indoor P.C. board --- Open-circuit or
short-circuit of the heat exchanger sensor (TOA) was detected.
F18
Air to Air Heat Exchanger
(TRA) error
Air to Air Heat
Exchanger
Return Air sensor (TRA), indoor P.C. board --- Open-circuit or
short-circuit of the heat exchanger sensor (TRA) was detected.
F29
Indoor unit, other P.C.
board error
Indoor
Indoor P.C. board --- EEPROM error
L03
Duplicated header indoor
units
Indoor
Indoor address setting error --- There are two or more header
units in the group.
L08
Indoor group address not
set
Indoor
Indoor address setting error --- Indoor address group has not
been set.
L09
Indoor power level not set Indoor
Indoor power level has not been set.
L20
LAN communication error Indoor
Address setting, central control remote controller, network
adapter --- Duplication of address in central control
communication
P31
Other indoor unit error
Indoor
Another indoor unit in the group is raising an alarm.
E03/L07/L03/L08 alarm check locations and error description
47-EN
48-EN
+00ET9X463301_01EN.book Page 24 Thursday, January 20, 2011 4:41 PM
AMP Air Conditioning
www.ampair.co.uk | [email protected]
