Daikin FBQ20EAVAK Installation Manual page 90

01_EN_3P281953-1B.fm Page 29 Tu esday, January 25, 2011 3:35 PM
PRECAUTIONS
• In Step 5. above, the test run can be started even if test run mode is set and the RUN/STOP button is
pressed in reverse order.
• See the following diagnostic chart if the unit fails to run.
• After the test run is complete, press the INSPECTION/TEST OPERATION button once to put the unit in
INSPECTION mode. Make sure that the malfunction code "00" (=normal) is displayed.
If any other malfunction code is displayed, refer to the following diagnostic chart.
• Pressing the INSPECTION/TEST OPERATION button four times returns the unit to normal operating
mode.
[Mode switching]
Normal operating mode
Once
(Press
Once
4 seconds
or more)
On-site setting
* After leaving 10 seconds or
more, the mode returns to
the normal operating mode.
12-2 MALFUNCTION DIAGNOSIS
During the test operation, if the malfunction code shown below is displayed on the remote controller, an instal-
lation work error may be the cause.
Malfunction code
[E3] [E4] [L8] [U0]
[E3] [E4] [L4] [U8]
[U1]
[U2]
[U4] [UF]
[UA]
• If the remote controller displays malfunction codes other than those above, the indoor and outdoor units
may be damaged.
For the malfunction codes, please refer to the indoor unit's installation manual.
(Some malfunction codes are not displayed depending on the indoor and outdoor units.)
CAUTION
To plumbing persons
To the electrician
After the test run, when handing the unit over to the customer, make sure the piping covers and the front
panel are attached.
29
Once
*
"Malfunction code"
display
Once
Installation work error
Failure to open the stop valve
Closed air flow path
Phase interruption
Unbalanced power
Improper connection of the continuous
wiring
Connection of incompatible indoor unit
Test run
* *
"Indoor unit type
code" display
Once
Measures
Remedial action
Open the stop valve.
Remove any obstacle to the air flow
path.
Correct the wiring.
Balance the power/Correct the wiring.
Correct the wiring.
Connect appropriate indoor unit (refer
to the catalogue).
"Outdoor unit type
code" display
English