Mitsubishi Electric PKA-RP-KAL Installation Manual page 16

7. Test run
Step 5 Stop the test run.
1 Press the [ON/OFF] button to stop the test run. (The Test run menu will appear.)
Note: If an error is displayed on the remote controller, see the table below.
LCD Description of malfunction
P1 Intake sensor error
P2 Pipe sensor error (liquid pipe)
Drain fl oat switch connector disconnected
P4
(CN4F)
P5 Drain overfl ow protection operation
Freezing/overheating protection
P6
operation
P8 Pipe temperature error
See the table below for the details of the LED display (LED 1, 2, and 3) on the indoor controller board.
LED1 (microcomputer power supply)
LED2 (remote controller power supply)
LED3 (indoor/outdoor unit communication)
ON/OFF
7
MODE
3,4
CHECK
TEST RUN
2
Fig. 7-5
ON/OFF
4
MODE
CHECK
2
TEST RUN
SET
Fig. 7-6
16
LCD
P9
PA
PL
FB
U*, F*
(* indicates an
alphanumeric
character
excluding FB.)
Indicates whether control power is supplied. Make sure that this LED is always lit.
Indicates whether power is supplied to the wired remote controller. The LED is lit only for the indoor unit that is con-
nected to the outdoor unit that has an address of 0.
Indicates whether the indoor and outdoor units are communicating. Make sure that this LED is always blinking.
A
TEST RUN
TEMP
FAN AUTO STOP
5
VANE AUTO START
6
LOUVER h
min
SET RESET CLOCK
A B
CHECK
TEMP
FAN AUTO STOP
VANE AUTO START
LOUVER h
3
min
RESET CLOCK
Description of malfunction
Pipe sensor error (dual-wall pipe)
Leakage error (refrigerant system)
Refrigerant circuit abnormal
Indoor controller board error
Outdoor unit malfunction
Refer to the wiring diagram for the
outdoor unit.
7.2.2. Using wireless remote controller (Fig. 7-5)
1 Turn on the power to the unit at least 12 hours before the test run.
TEST RUN
2 Press the
button twice continuously.
(Start this operation from the status of remote controller display turned off.)
A
TEST RUN and current operation mode are displayed.
MODE
3 Press the
cool air is blown out from the unit.
MODE
4 Press the
warm air is blown out from the unit.
FAN
5 Press the button and check whether fan speed changes.
VANE
6 Press the
button and check whether the auto vane operates properly.
7 Press the ON/OFF button to stop the test run.
Note:
• Point the remote controller towards the indoor unit receiver while
following steps 2 to 7.
• It is not possible to run the in FAN, DRY or AUTO mode.
7.2.3. Using SW4 in outdoor unit
Refer to the outdoor unit installation manual.
7.3. Self-check
7.3.1. Wired remote controller
■ Refer to the installation manual that comes with each remote controller for
details.
7.3.2. Wireless remote controller (Fig. 7-6)
1 Turn on the power.
CHECK
2 Press the
button twice.
(Start this operation from the status of remote controller display turned off.)
A
CHECK begins to light.
B
"00" begins to blink.
3 While pointing the remote controller toward the unit's receiver, press the
button. The check code will be indicated by the number of times that the buzzer
sounds from the receiver section and the number of blinks of the operation lamp.
4 Press the ON/OFF button to stop the self-check.
LCD Description of malfunction
Communication error between the
E0 ~ E5
remote controller and the indoor unit
Communication error between the
E6 ~ EF
indoor unit and the outdoor unit
button to activate mode, then check whether
COOL
button to activate mode, then check whether
HEAT
h