44
H. During heating operation, if the room temperature
is higher than the set temperature, the outdoor
temperature display remains fixed for 30 minutes,
and the temperature display changes to “
--
”.
When the cooling operation is turned off, the out-
door temperature display that was shown prior to
OFF remains fixed for 30 minutes, and it changes
to “
--
”.
ERROR DIAGNOSTIC FUNC-
TION
This function notifies an error gener-
ated in an air conditioner
[About the Error Diagnosis Function]
The Central Remote Controllers is equipped with a
diagnostic function that analyzes the cause of an error
resulting in operation shutdown.
In the event of protection device activation, open-circuit
occurs in the control communication cable, or malfunc-
tioning of parts, the ON lamp (1), mark (2) and Unit
No. (3) blink, and an error code (4) will be displayed.
Also, in the operation monitor section, the indica-
tion blinks under the air conditioner (group) that has
shut down due to an error.
Since this information helps locate the cause of the
problem, check the displayed information and contact
your dealer.
[Operating Procedure]
1. While the ALL or INDIVIDUALLY screen is dis-
played, press one of the individual group selection
buttons (5) (1 - 16) to select the air conditioner
(group) that shut down due to an error.
2. The screen shows the Unit No. (3) of the air condi-
tioner (group) that shut down due to an error, and
an error code (4) lights.
* For the details of error codes, refer to pages 44
and 47.
NOTE
Operate buttons while the backlights are lit.
[Details of Error Codes]
(1)
(5)
* Enlarged view
(3) Unit No.
(4) Error code
(2) Inspection sign
Operation
lamp
Maintenance
display
Unit No.
Malfunction
code
Error content
ihj
64
Indoor air thermistor error
ihj
65
Outdoor air thermistor error
ihj
68
HVU error (Ventiair dust-collecting unit)
ihj
6A
Dumper system error
jjj
6A Dumper system error + Thermistor error
ihj
6F
Simple remote controller error
ihj
6H
Door switch (Ventiair dust-collecting unit), relay harness fault
(Ventiair dust-collecting/humidifier unit)
jjj
94
Ventiair internal transmission error
(between total enthalpy – fan unit)
jjj
A0 Indoor unit · external safety device error
jjj
A1
Indoor unit · BEV unit (Sky-Air connection unit) PC board
assembly fault
ihj
A1
Indoor unit · PC board assembly fault
01_EN_3P124623-10N.fm Page 44 Monday, January 28, 2008 4:58 PM
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