Nortec SE Series - Manual (Page 84)

81 | Troubleshooting
Code Display
Message
LED System Detected Cause Corrective Action(s)
5 Humidifier control
configuration incorrect
5 Check that the
humidifier control
configuration matches
the installed sensor
output.
TCF
Tank Cold Fault
Red
The tank has not
become hot with
the steam valve
activated.
1 Tank temperature
sensor not detecting
warm tank.
1b Check tank to see if hot
(caution).
1a Check wiring to tank
temperature sensor.
1c Check if sensor closed
when tank is hot.
TCW
2 No steam supply to
humidifier.
2a Check that isolation
valve is not closed.
2b Check if boiler steam is
available.
2c Check if CV valve opens
using diagnostic output
test.
3 Condensate not
draining from heat
exchanger.
3a Check that F&T trap is
allowing condensate to
drain.