- Use Rover Service Tool (Communication Key needed for ZN010 only)
- Check IOM and Manual for input, output, and testing details
- Manual output test if Rover Service Tool is unavailable (Found in the IOM or manual)
Troubleshooting 1st Steps:
NOTE (Information found in the IOM and Manual)
- Verify Analog and Binary inputs/ Resistance
- Manual Output test
- Diagnostics - Lights on green board
Analog inputs:
Resistance Ranges
Note" (Wires removed from the ZN board)
Measure resistance from the sensor
Zone, AI 1 through 3 = 10k at 77 degrees (See chart)
Set = Local Setpoint
Fan resistance per speed request
BINARY inputs:
- Manual Output test sequence ZN010 and ZN510 the same - ZN520 has more outputs
Find the test button on the green board (Press and Hold for 3 seconds and release)
Page 65 of ZN520 manual
Page 99 of IOM for ZN510 and 010
- Diagnostic Lights: