Panasonic S-36PU1E5A Service Manual page 320

1
Items to Check Before the Test Run
(1) Turn the remote power switch ON at least 12 hours in advance in order to energize the crankcase heater.
(2) Fully open the closed valves on the liquid tube and gas tube sides.
Test Run Using the Remote Controller
(1) Press and hold the remote controller
"TEST" appears in the LCD display during the test run.
Temperature control is not possible when test run mode is engaged.
(This mode places a large load on the devices. Use it only when performing the test run.)
(2) Use either Heating or Cooling mode to perform the test run.
The outdoor unit will not operate for approximately 3 minutes after the power is turned ON or after
NOTE
it stops operating.
(3) If normal operation is not possible, a code appears on the remote controller LCD display.
Refer to the section "Table of Self-Diagnostic Functions and Corrections" and correct the problem.
(4) After the test run is completed, press the
Check that "TEST" disappears from the LCD display.
(This remote controller includes a function that cancels test run mode after a 60-minute timer has elapsed,
in order to prevent continuous test run operation.)
(5) For the test run of an inverter outdoor unit, operate the compressors for a minimum of 10 minutes (in order to
check for open phase).
* When performing a test run using a wired remote controller, operation is possible without attaching the
cassette-type ceiling panel. ("P09" will not be displayed.)
Table of Self-Diagnostic Functions and Corrections (Type U1, T2, F1, N1 and Y2)
Wired
remote
Indoor unit
controller receiver lamp
display
Nothing is Nothing is
displayed displayed.
E01 displayed
Operation lamp is
blinking.
E02 displayed
E14 displayed
E04 displayed
Standby lamp is
E06 displayed
blinking.
E15 displayed
E16 displayed
Operation lamp and
P05 displayed Standby lamp are
blinking alternately.
P09 displayed Timer lamp and
Standby lamp are
blinking alternately.
P12 displayed
L02 displayed
L13
Both the Operation
lamp and Standby
L07
displayed
lamp are blinking
together.
L10 displayed
button for 4 seconds or longer. Then press the
button again.
Cause
Group connection and simultaneous-operation
multi (Simultaneous multi system) system
Remote controller is not connected with indoor unit
correctly.
Indoor unit power is not ON.
Automatic address setting has not been completed.
Inter-unit control wiring is cut or is not connected
correctly.
Remote controller is not connected with indoor unit
correctly.
Remote controller is not connected with indoor unit
correctly.
Remote control communication wiring is cut or is not
connected correctly.
Indoor-outdoor inter-unit wiring is not connected
correctly.
Inter-unit control wiring is cut or is not connected
correctly.
Indoor unit capacity is too low.
Indoor unit capacity is too high.
Reversed phase at one of the outdoor units in the
group.
Insufficient gas
Ceiling panel connector at one of the indoor units in
the group is not connected correctly.
DC fan trouble at one of the indoor units in the
group.
Indoor-outdoor unit type mismatch.
Remote control communication wiring is connected
to the indoor unit, however it is set for individual
operation.
Check outdoor operation with separate maintenance-use remote controller.
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Correction
Connect the remote controller correctly.
Turn ON the indoor unit power.
Check the remote controller and inter-unit control wiring.
Perform automatic address setting
(See section "Automatic Address Setting" for
Type U1, T2, F1, N1 and Y2 (for Link Wiring).).
Connect the remote controller correctly.
Check the remote control communication wiring.
Perform automatic address setting again.
Connect the wiring correctly.
See section "Basic wiring diagram" for Type U1, T2, F1,
N1 and Y2 (for Link Wiring).
Basic wiring diagram, and make the correct setting.
Check that the total capacities of the indoor and
outdoor units are appropriate.
Reverse 2 phases of the outdoor unit 3-phase power
and connect them correctly.
Fill up the gas appropriately.
Connect the indoor unit ceiling panel connector
correctly.
Check whether the fan holder is loose.
Check the wiring between the DC fan and the PCB.
Check that the indoor and outdoor unit types are
correct.
Perform automatic address setting
(See section "Automatic Address Setting" for Type U1,
T2, F1, N1 and Y2 (for Link Wiring).).
button.