What to do if the Top PV displays OPEN on my Despatch PROTOCOL 3 Controller?
If the top PV on your Despatch Controller displays 'OPEN', it indicates that the control thermocouple is either disconnected or broken. To resolve this, repair or replace the thermocouple.
Why does my Despatch PROTOCOL 3 HLPV display OPEN?
If the HLPV on your Despatch Controller displays 'OPEN', this means the high limit thermocouple is either disconnected or broken. You should repair or replace the thermocouple to fix this issue.
What does it mean if the Hi-Limit LED is ON on my Despatch PROTOCOL 3 Controller?
The Hi-Limit LED being ON in your Despatch Controller indicates a problem with the thermocouple or that the Hi-limit setpoint has been exceeded. Once the issue is corrected, press Reset.
General| Brand | Despatch |
|---|---|
| Model | PROTOCOL 3 |
| Category | Controller |
| Language | English |
To Next Page
