CORIO CP – E61
Connection error between circulator and cooling machine
The data communication between the circulator and the cooling machine is checked continuously. If no communication can be established (e.g., due to a defective connecting cable), alarm “E 61” is generated.
1. Procedure, if the cause for E61 is resolved:
1.1. Press OK key; alarm signal stops, and
1.2. Press OK key; error is acknowledged -> “Off” is displayed, and
1.3. Press OK key; temperature control application starts.
If the error was corrected with the device switched off, it is sufficient to switch on the device to start the temperature control application with OK.
2. Procedure, if the cause for E61 was not resolved, to continue operation:
2.1. Temporarily acknowledge message E61 with OK. The device operates in heating mode only.
2.2. The device reports E61 even after switching it off and on again. This means that the cooling machine does not communicate with the circulator.
Note
Do not acknowledge E61 with OK!
To permanently clear the message, press the
and the Service key at the same time. “Off” is displayed on the device, and it continues operation as a heating circulator only until the cause for E61 is resolved. Then, proceed as described under 1.