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104163-01H
7
7
For more information, visit www.desatech.com
For more information, visit www.desatech.com
TROUBLESHOOTING
1. Check voltage to electrical outlet. If volt-
age is good, check heater power cord for
breaks
2. Adjust motor/fan guard to keep fan from
hitting inside of heater shell. Bend fan
guard if necessary
3. Replace fan. See Fan, pages 8 and 9
4. Replace motor. See Motor, page 8
1. Repeat installation and operation in-
structions. See Installation, page 4 and
Operation, page 5
2. A) Check ignitor wire. Tighten or reat-
tach loose ignitor wire. See Figure
14, page 10 for ignitor wire location
B) Set gap between ignitor electrode and
target plate to .17"
C) Tighten nut holding piezo ignitor to
base of heater
D) Replace ignitor electrode. See
Ignitor, page 9
1. This can happen when running heater in
temperatures above 85°F. Run heater in
cooler temperatures
2 Check heater inlet and outlet. Remove
any obstructions
3. Replace fan. See Fan, pages 8 and 9
4. Clean heater. See Maintenance, page 6
Fan does not turn when heater is plugged in.
Heater will not ignite.
Heater shuts down while running.
OBSERVED FAULT POSSIBLE CAUSE REMEDY
WARNING: Never service heater while it is plugged in, con-
nected to propane supply, operating, or hot. Severe burns and
electrical shock can occur.
1. No electrical power to heater
2. Fan hitting inside of heater shell
3. Fan blades bent
4. Defective motor
1. User did not follow installation or op-
eration instructions properly
2. No spark at ignitor. To test for spark, fol-
low step 8 under Ignitor, page 9. If you
see spark at ignitor, have heater serviced
by qualified service person. If no spark
seen:
A) Loose or disconnected ignitor wire
B) Wrong spark gap
C) Piezo ignitor loose
D) Bad ignitor electrode
1. High surrounding air temperature caus-
ing thermal limit device to shut down
heater
2. Restricted air flow
3. Damaged fan
4. Excessive dust or debris in surrounding area
WARNING: Use only in areas
free of high dust content.
Note:
For additional help, visit DESA Heating
Products’ Technical Service web site at
www.desatech.com.
TROUBLESHOOTING