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Troubleshooting for Outdoor Unit (50/60 class)
Si21-205
224
Troubleshooting
7.16.6 Discharge Pressure Check
Check No.8
7.16.7 Outdoor Unit Fan System Check (With DC Motor)
Check No.9
Discharge pressure check
Replace compessor.
Open the stop valve.
Replace the pipe installed at
the site.
Clean.
Replace the compressor.
(R3049)
Not dirty
YES
YES
Dirty
NO
NO
NO
Are the heat exchanger and
air filter dirty?
Is the stop valve open?
Is the
connection pipe deformed?
YES
High
Check the outdoor unit fan system.
Reconnect.
(R2857)
Outdoor unit fan running?
YES
Fan motor lead wire
connector disconnected?
YES
NO
NO
Outdoor unit fan
system
functioning.
Go to Check No. 15.
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 ...