How To Make Sure Of Wireless Remote Control - Mitsubishi SRK25ZSP-W Service Manual

(c) Power transistor inspection procedure
[Use a tester with a needle indicator for the inspection. (Do not use a digital tester. Check in the AC 300 volt range.)]
(1) If there is a self-diagnosis display, inspect the compressor system (burns, wiring mistakes, etc.) If no problems are
found, check the output of the power transistor.
(2) Output inspection procedure
Disconnect the terminals for the compresseor.
If an output such as the one shown in the figure on the below can be measured, the power transistor and the circuit
board for the outdoor unit are normal.
Output voltage
(ACV)

(10) How to make sure of wireless remote control

(10) How to make sure of wireless remote controller
(1)
Is wireless
remote control
normal?
YES
Again pushing
operating switch
Operating the unit?
NO
Does unit ON/OFF
button operates?
Operating the unit.
NO
Control problem on
main unit
0
8-10 sec. 1 sec.
Operation switch ON
Wireless remote
NO
control defects.
YES
Abnormality is not
found.
YES
-
3 min. 1 sec.
Measure in this section
Replace the display.
Is the unit
operable with
wireless remote
control?
NO
Defective wireless
remote control
Note (1) Check method of wireless remote control
(a) Press the reset switch of the wireless remote control.
(b) If all LCD are displayed after one (1) display, it is basically normal.
The figare below shows the SRK series.
33
-
'18 • SRK-SM-259
(Example)
RUN light : ON
TIMER light: 2 time flash
3 min. 1 sec.
YES
Normal