Mitsubishi Electric Mr.SLIM PKA-M-KA Series Installation Manual page 16

After completing installation and the wiring and piping of the indoor and
supply or control wiring, wrong polarity, and no disconnection of one
phase in the supply.
Step 1 Turn on the power.
are blinking, the remote controller cannot be operated. Wait until "PLEASE WAIT" is not displayed before operating the remote controller. After the power is turned on,
"PLEASE WAIT" will be displayed for approximately 2 minutes.
board uses a digital display, [- ] and [ -] will be displayed alternately every second.
If the operations do not function correctly after the procedures in step 2 and thereafter are performed, the following causes should be considered and eliminated if they
are found.
Symptoms in test run mode
Remote Controller Display
Remote controller displays "PLEASE WAIT", and
cannot be operated.
After power is turned on, "PLEASE WAIT" is dis-
played for 3 minutes, then error code is displayed.
No display appears even when remote controller
operation switch is turned on. (Operation lamp
Display appears but soon disappears even when
remote controller is operated.
Step 2 Switch the remote controller to "Test run".
1
2
3 The test run operation starts, and the Test run operation screen is displayed.
1
Cooling mode: Check that cool air blows from the unit.
Heating mode: Check that warm air blows from the unit.
2 Press the [SELECT] button to display the Vane operation screen, and then
Press the [RETURN] button to return to the Test run operation screen.
The speed of the outdoor unit fan is controlled in order to control the performance of the unit. Depending on the ambient air, the fan will rotate at a slow speed and will keep
not a problem.
< > indicates digital display.
After "startup" is displayed, only green lights
up. <00>
After "startup" is displayed, only green lights
up. <00>
After "startup" is displayed, only green lights
up. <00>
terminals.
Warning:
S , S
2 3
is wrong for S , S , S
1 2 3
S e v r c i e m e n u
Test run
Input maintenance info.
Function setting
Check
Self check
M a n i m e n : u
C u s r r o
F1 F2 F3 F4
Test run Remain
Pipe
Cool Auto
Switch disp.
Mode Fan
F1 F2 F3 F4
.
Cause
,
1
Test run menu
Test run
Drain pump test run
Service menu:
Cursor
F1 F2 F3 F4
Remain
Vane
F1 F2 F3 F4