Maintenance; Troubleshooting Guide - Brant Radiant Heaters AVS-40N Instructions Manual

5.0

Maintenance

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Troubleshooting Guide

5.0 Maintenance
Troubleshooting Guide
Turn up thermostat/controller.
Does the fan
No
blower turn on?
Yes
Does the unit spark?
Yes
Do both burners light?
Yes
Does the amber valve
No
Continued on page 36
Is the power at the
heater 120V?
No
Find the source of the electrical problem between panel and heater.
Is there 24V at the blue and yellow
No
secondary side of the internal transformer
and common on the pressure switch?
Check wire connection to primary
of the transformer. If good,
replace faulty transformer.
No
Is the ball valve/shut-off
in the ON position?
No
light illuminate?
Yes
Yes
Yes
No
No
Turn On.
Yes
Are the igniter(s)
physically damaged?
34
AVS Series
The blower assembly
is faulty and must be
replaced.
Is there 24V at the
N.O. terminal of the
pressure switch?
No
Is the inlet or the outlet
of the unit plugged or
obstructed?
Yes
Remove obstruction.
Replace damaged
Yes
igniter(s).
Yes
No