Omega HRV-200 Owners Manual And Installation Manual page 26

Troubleshooting
14.2 Troubleshooting
T4 sensor error / T1 sensor error
Check whether the wiring of the temp. sensor is break off
Check whether the resistance of temp. sensor is wrong refer
to the Annex 1
Check: whether the current reach 5A.
Check the main controller panel
Replace main controller panel
20
No
No
Replace main controller panel
Current protection
No
MCAC-KTSM-2009-03
Yes
Connect the wiring well
Yes
Replace temp. sensor
Yes
Turn off all motors, and
restart 3 minutes later.
Heat Recovery Ventilation