Re-Verber-Ray DET3 Series Insert Manual page 16

4.0 Troubleshooting Guide
Continued from page 14.
Does the burner
stay on?
Yes
Does the heater stay on
until the call for heat ends?
No
Yes
Troubleshooting ends.
Flame Current Check: Single Spark & Sense
To measure flame current, disconnect input voltage, then insert a 0-50 μA DC meter and capacitor in series with the
spark electrode as shown below. Reconnect input voltage and initiate call for heat. After sparking is complete and
flame is established, meter should read 1.0 μA or higher while flame is established. If meter reads below "0" on the
scale, meter leads are reversed. Disconnect power and reconnect meter lead for proper polarity.
Check that gas pressure is within minimum and maximum inputs as
indicated on the heater's rating plate. Is gas pressure ok?
No
Check that gas supply pressure meets
minimum and maximum requirements.
Does the burner
No
stay on briefly and
then shut off?
No
Check the gap on the
igniter. Is the gap between
3/16 in. and 1/4 in. ?
The following can cause the heater to shut down:
• Improper grounding.
• High winds.
• Taking combustion air from the attic.
• Dirty environment.
• Baffle not located properly.
• Fluctuating gas pressure.
Correct problem.
Is the heater properly
Yes
grounded? Is the
No
16
DET3 Series
No
polarity correct?
Adjust gap.
Yes
Yes
Yes