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Si21-205
Troubleshooting for Outdoor Unit (50/60 class)
Troubleshooting
199
Troubleshooting
Check No.7
Refer to P.223
Check No.8
Refer to P.224
Check No.14
Refer to P.227
Replace the outdoor unit
PCB.
Replace the electrolytic
capacitor.
∗
Inverter checker
Part No.: 1225477
Correct the power supply or
replace the SPM.
(Replace the outdoor unit
PCB.)
(R2844)
Caution
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.
Input current flowing
above its stop level?
NO
YES
Normal?
NO
YES
Any LED off?
YES
NO
Check with the inverter checker (
∗
).
Turn off the power, and reconnect
the harnesses. Turn on the power
again and get restarted.
Turn off the power and disconnect
the harnesses U, V and W.
Get restarted and measure the
input current.
Check No. 8
Check the discharge pressure.
Check No. 7
Check the installation condition.
Check No. 14
Check the main circuit electrolytic
capacitor.
∗
An input over-current may result from wrong internal wiring. If the wires have been disconnected and
reconnected for part replacement, for example, and the system is interrupted by an input over-current,
take the following procedure.
Summary of Contents for Sky Air B-Series R-410A
Page 7: ...Si21 205 vi Table of Contents ...
Page 15: ...Models Si21 205 4 Model Name and Power Supply ...
Page 16: ...Si21 205 Functions 5 Part 2 Functions 1 List of Functions 6 ...
Page 35: ...Wireless Remote Controller Si21 205 24 Remote Controller ...
Page 79: ...Settings Concerning Maintenance Si21 205 68 Field Setting Detail of PCB 2 ...
Page 83: ...Maintenance Mode Setting Si21 205 72 Field Setting ...
Page 239: ...Troubleshooting for Outdoor Unit 50 60 class Si21 205 228 Troubleshooting ...
Page 321: ...Outdoor Unit 50 60 class Si21 205 310 Removal Procedure ...