44 Installation instructions VRT 360f
12 Troubleshooting
The room temperature thermostat signals the following fault conditions:
Fault signal Meaning Troubleshooting
RF Err No radio connection to the radio
receiver on the heating unit
Check the site of installation.
BATT low battery condition, replacement
required
Replace the batteries.
BMU Err Fault on heating unit. Call the installer.
MAIN Heating unit maintenance required Call the installer.
Table 12.1 Fault signals
12 Troubleshooting
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