Troubleshooting
Si71-502
92
Operation Manual
5.4
The Following Malfunctions must be Cheched by a Qualified Service Person
1. Do not operate
• Are there any problems with the power or wiring?
Inspect the power and wiring.
• Are there any problems with the fan unit?
Inspect the fan motor and fan.
5.5
If the System does not Properly Operate Except for the above Mentioned
Case, and None of the above Mentioned Malfunctions is Evident, Contact Your
Dealer, and Request for Investigation the System According to the Following
Procedures by a Qualified Service Person
The following malfunctions must be cheched by a qualified service person. Do not check by
yourself.
• The unit does not operate at all.
a.Check if there is a power failure.
After power has been restored, start operation again.
b.Check if the fuse has blown.
Change the fuse.
c.Check if breaker has worked.
Contact your dealer.
d.Are there any problems with the power or wiring?
Inspect the power and wiring.
e.Are there any problems with the fan unit?
Inspect the fan motor and fan.
• Amount of discharged air is small and the discharging sound is high.
a.Check if the air filter and heat exchange element are clogged. (Check both SA and RA air filter. Check
both sides of elements.)
Clean the air filter and heat exchange element.
• Amount of discharged air is large and so is the sound.
a.Check if the air filter and heat exchange element are not installed.
Install the air filter and heat exchange element.
Summary of Contents for VAM 150GJVE
Page 7: ...Introduction Si71 502 vi 1 1 1 Cautions in Operation and Maintenance ...
Page 8: ...Si71 502 Introduction vii ...
Page 13: ...General Constructions Si71 502 4 General Constructions ...
Page 29: ...Maintenance Si71 502 20 Maintenance ...
Page 43: ...Circuit Operations Si71 502 34 Circuit Operations ...
Page 103: ...After sales Service Si71 502 94 Operation Manual ...
Page 106: ...Si71 502 Appendix Appendix 97 VAM1500GJVE VAM2000GJVE ...
Page 107: ...Appendix Si71 502 98 Appendix ...