Troubleshooting
Table 18 Troubleshooting (continued)
Symptom | Possible Cause | Check or Remedy | |
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|
| |
Cooling cycle too | Sensor response delay too | Increase sensor response delay. See 3.12 - Calibrate Sensors. | |
short | short | ||
| |||
Display freezes |
| During period of low humidity, static electricity can cause the control | |
| program to freeze or display incorrect information. Although this is | ||
and control pads | Static discharge | ||
unlikely, the control can be reset by cycling power from the disconnect | |||
do not respond |
| ||
| switch. | ||
|
| ||
|
|
| |
Condensate | Open or short circuit in | Find open or short circuit and repair power to pump. | |
pump does not | |||
wiring | |||
operate |
| ||
|
| ||
|
|
| |
|
| Temperature display will indicate dashes. Check wiring from | |
Continuous | Failed temperature sensor | temperature/humidity board (remote sensors) to the control board or | |
Cooling | from control board to wallbox. Replace temperature/humidity circuit | ||
| |||
|
| board (remote sensors) or wallbox. | |
|
|
| |
Continuous |
|
| |
Heating | Shorted wiring or failed | Check wiring and/or replace control board. | |
Dehumidification | control board | ||
| |||
Humidification |
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| |
|
|
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