Pentair Pool Products MiniMax NT Series Service Manual page 38

Troubleshooting
1. Check for 24 VAC at FS terminal on
Ignition Module If none, Ignition Module
is bad.
2. Check for 24 VAC at Connector on Flame
Sensor, if none, replace wire.
3. Check to make sure the Flame Sensor is
not shorted to Ground.
4. If Flame Sensor voltage and amperage are
OK, Ignition Module is bad.
P/N NTSM03
POWER / T-STAT / AUX / PRESS
HEAT (on then off) / SERVICE (off then on)
Fan Running / HSI Energized / Burners ignite and
the go off in 7 seconds or less
38
Rev. B 2-11-04