Nortec NH Series - Manual (Page 70)

10-40
Page 63
2008-08-28
Probable Cause Corrective Action
1. Is the contactor closed but not energized?
2. Does the processor board display capacity output but
contactor is open?
1. Replace the contactor.
2. Replace the driver board.
1. Back pressure?
2. Organics present in water?
3. Insufficient drain or over concentration. 1. Verify drain is functioning and clean.
2. Verify steam line installation.
3. Check optional inline filter.
1. Back pressure?
2. Organics present in water?
3. Insufficient drain or over concentration. 1. Verify drain is functioning and clean.
2. Verify steam line installation.
3. Check optional inline filter.
The cylinder must be replaced with the same type and
model. When ordering a new cylinder, quote the model number of
cylinder presently installed in the humidifier or serial
number of humidifier.
The cylinder must be replaced with the same type and
model. When ordering a new cylinder, quote the model number
presently installed in the humidifier.
1. Is the drain leaking?
2. Adjust drain factor.
3. Check the system backpressure.
4. Is salt required? 1. Clean the drain valve.
2. Set drain factor to 0.7.
3. Install a fill cup extension kit if required.
4. Add one teaspoon of table salt.
1. Is the sensor powered?
2. Is the sensor wiring correct?
3. Is the sensor defective?
4. Is the RH less than 5%? 1. Use a multimeter to check that the sensor is powered.
2. Verify wiring is correct as per wiring instructions.
3. Replace the sensor.
4. RH values under 5% are interpreted as a broken
sensor.
1. Is the sensor powered?
2. Is the sensor wiring correct?
3. Is the sensor defective?
4. Is the RH less than 5%? 1. Use a multimeter to check that the sensor is powered.
2. Verify wiring is correct as per wiring instructions.
3. Replace the sensor.
4. RH values under 5% are interpreted as a broken
sensor.
1. Is the sensor powered?
2. Is the sensor wiring correct?
3. Is the sensor defective?
4. Is the RH less than 5%? 1. Use a multimeter to check that the sensor is powered.
2. Verify wiring is correct as per wiring instructions.
3. Replace the sensor.
4. RH values under 5% are interpreted as a broken
sensor.
1. Is the sensor powered?
2. Is the sensor wiring correct?
3. Is the sensor defective?
4. Is the RH is less than 5%? 1. Use a multimeter to check that the sensor is powered.
2. Verify wiring is correct as per wiring instructions.
3. Replace the sensor.
4. RH values under 5% are interpreted as a broken
sensor.
--- To disable this feature, consult the programming manual
shipped with the humidifier.
--- To disable this feature, consult the programming manual
shipped with the humidifier.