Re-Verber-Ray DX3-20-50 Insert Manual page 17

DX3 Series
Were the gas lines purged of air?
Purge gas line.
Is the heater properly
grounded? Is the heater's
polarity correct?
No
Correct problem.
Yes
No
With micrometer, check
Yes
amperage at flame rod. Is it
greater than 1.0 microamps?
No
Sensing rod is faulty or flame
is weak. Check to make sure
heater is operating at proper
gas pressure as indicated on
burner rating plate and then, if
needed, replace sensing rod.
Confirm manifold pressure is
correct and/or gas orifice is not
plugged and is the correct size.
Check to make sure flame
Yes
sensor wire is OK. If so,
then replace circuit board.
17
4.0 Troubleshooting Guide