TROUBLESHOOTING CHART
Problem
Reason
Remedy
Increased sound.
Noise absorbing foam is damaged.
Replace foam.
Impeller rubbing inside.
Send unit to a Gast Authorized
Service Facility.
Excessive vibration.
Damaged impeller.
Replace impeller.
Motor and/or impeller are dirty.
Clean motor and impeller periodically.
Ambient and exhaust temperature
Motor and/or blower are dirty.
Clean motor and blower periodically.
increases.
Filters dirty.
Replace filters.
Decreased inlet air pressure
Inlet air filter is clogged.
Clean inlet filter. Replace cartridge.
Unit is very hot.
Wrong wiring.
Check wiring.
Low voltage.
Supply proper voltage.
Inlet air filter is clogged.
Clean inlet filter. Replace cartridge.
Motor and/or blower are dirty.
Clean motor and blower periodically.
Operating at too high a pressure or
Install a relief valve and pressure or
vacuum.
vacuum gauge.
Unusual sound.
Impeller is damaged or dirty.
Clean or replace impeller.
Bearing going bad.
Send unit to a Gast Authorized
Service Facility.
Motor overload
Low voltage.
Check power source.
Check wire size and wire connections.
Unit does not start.
Incorrect electrical connection or
Check wiring diagram, circuit fusing
power source.
and circuit capacity.
Impeller is damaged.
Clean or replace impeller. Install
proper filtration.
PART NO. 70 - 6000 F2-200 (REV-J)
12
We have Gast Certified Service Centers throughout the world. For the most up-to-date
listing, contact one of our sales offices below:
World Headquarters
P.O. Box 97
2550 Meadowbrook Rd.
Benton Harbor, MI 49023-
0 0 9 7
Ph: 269/926-6171
FAX: 269/925-8288
w w w. g a s t m f g . c o m
Gast Hong Kong
Unit 12, 21/F, Block B
New Trade Plaza
6, On Ping Street, Shatin
N. T. Hong Kong
Ph: (852) 2690 1008
Fax: (852) 2690 1012
www.gasthk.com
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Summary of Contents for R2303A
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