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Alarm Codes and Troubleshooting
Alarm
Code
Alarm Problem
T6AX
No Temp Rise
A4AX
Over current
10
Cause
Tripped circuit breaker.
Low power.
Cable unplugged/loose wire.
Circuit breaker not set for L2
and L3.
Faulty heater(s).
GFCI has been tripped.
Customer supplied main circuit
breaker tripped.
Faulty heaters.
Incorrect zone type.
High voltage.
Shorted module.
Solution
Visually check circuit
breaker for a tripped condi
tion.
Measure voltage across
input terminals of power
line filter. Voltage should
measure between 190 and
250 Vac
Check for loose or discon
nected wires and plugs.
Visually check circuit
breaker for proper setting
of L2 and L3.
Measure resistance of
heater.
Visually check GFCI for a
tripped condition.
Measure voltage across the
disconnect switch. Voltage
should measure between
190 and 275 Vac.
Measure resistance of
heater.
Ensure zone is set for type
of hardware connected to
it.
Measure voltage across the
disconnect switch. Voltage
should measure between
190 and 275 Vac.
If temperature for a given
zone raises when zone is
disabled, replace heat
module.
Clear Alarm
Cleared from Heat Run
screen. See Appendix -
User Interface Display,
page 19.
Cleared from Heat Run
screen. See Appendix -
User Interface Display,
page 19.
3A0100H
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