Mitsubishi SRK35ZSP-W Service Manual

'18 • SRK-SM-259
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33
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(10) How to make sure of wireless remote controller
(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.
(Example)
RUN light : ON
TIMER light: 2 time flash
Measure in this sectionOperation switch ON
8-10 sec.
1 sec. 1 sec.
3 min. 3 min.
1 sec.
0
Output voltage
(ACV)
The figare below shows the SRK series.
(10) How to make sure of wireless remote control
(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
NO
YES
YES
Wireless remote
control defects.
Abnormality is not
found.
Replace the display.
Control problem on
main unit
Is the unit
operable with
wireless remote
control?
Defective wireless
remote control
NO
YES
Normal
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.

Mitsubishi SRK35ZSP-W Specifications

General

Cooling Capacity	3.5 kW
Heating Capacity	4.0 kW
Refrigerant	R32
Power Supply	220-240 V, 50 Hz
Type	Split System
Noise Level (Indoor Unit)	21 dB
Noise Level (Outdoor Unit)	48 dB(A)