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115407
PORTABLE GASOLINE GENERATORS
R
TROUBLESHOOTING
WARNING: Only a qualified electrical service person should service
and repair generator. Use only factory approved replacement parts.
POSSIBLE CAUSE
1. Loss of residual magnetism
2. Winding short circuit or loose
connections
3. Defective rotor diode
4. Defective capacitor
1. Engine speed too low
2. Defective rotor diode
3. Partial short circuit in winding
4. Defective capacitor
1. Engine speed too high
1. Defective rotor diode
2. Electrical load too high
3. Engine not running properly
OBSERVED PROBLEM
No voltage when starting generator with no
electrical load
Voltage is less than normal voltage with no
electrical load
Voltmeter reading more than 10% high with
no electrical load
Voltmeter reading correct with no electrical
load, but more than 10% low when electri-
cal load is added
REMEDY
1. Apply 12-volt battery to capacitor ter-
minals for 2-3 seconds
2. Check resistance of coils (see Electri-
cal Component Specifications, page 15)
3. Replace both diodes on rotor
4. Replace capacitor
1. Set engine speed to 3720 RPM (62 Hz)
with no load
2. Replace both diodes on rotor
3. Check resistance of coils (see Electri-
cal Component Specifications, page 15)
4. Replace capacitor
1. Set engine speed to 3720 RPM (62 Hz)
with no load
1. Replace both diodes on rotor
2. Do not overload generator
3. Contact an authorized engine service
center
Note:
For additional help, visit DESA
Specialty Products’™ technical service
web site at www.desatech.com.
www.desatech.com
Note:
See engine owner’s manual for engine troubleshooting.
TECHNICAL
SERVICE
You may have further questions about as-
sembling, operating, or maintaining this
product. If so, you can visit our Technical
Service web site at
www.desatech.com or
contact our Technical Service Department
at 1-800-858-8501 (English Only). You may
also write to:
DESA Specialty Products™
ATTN: Technical Service Specialty Products
P.O. Box 90004
Bowling Green, KY 42102-9004
SERVICING THE
ENGINE
Honda parts and services should be handled
by your nearest authorized engine service
firm. Check the yellow pages of your tele-
phone directory under the listing:
Engines Gasoline, Honda
or visit:
www.honda-engines.com
or call Honda direct:
1-800-426-7701
When contacting DESA Specialty Prod-
ucts™, have ready
•Your Name
•Your Address
•Your Phone Number
• Model Number of Product
• Serial Number
•Date of Purchase (Include copy of receipt
for written requests).