Gast R7P - Manual (Page 12)

TROUBLESHOOTING CHART
www.gastmfg.com
ISO 9001 & 14001 CERTIFIED
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-L)
12
We have Gast Certified Service Centers throughout the world. For the most up-to-
date listing, contact one of our sales offices below:
Gast Manufacturing, Inc.
P.O. Box 97
2300 S. Highway M139
Benton Harbor, MI 49023-0097
Ph: 269/926-6171
FAX: 269/925-8288
www.gastmfg.com
Gast Group Limited, United
Kingdom
Unit 11, The I O Centre
Nash Road
Redditch, B98 7AS
United Kingdom
ph: +44 (0) 1527 504040
Fax: +44 (0) 1527 525262
www.gastmfg.com
Gast Hong Kong
Room 6,9/F
New Commerce Centre
19 on Sum Street, Shatin
N. T. Hong Kong
Ph: (852) 2690 1066
Fax: (852) 2690 1012
www.gasthk.com