Fault Code - Troubleshooting - CIAT MicroCONNECT Manual De Uso Simplificado

7 ) FAULT CODE - TROUBLESHOOTING

7.1 Display
When the electronic regulation detects an operating fault, the screen displays a message
of type dX.Y.
7.2 Fault codes
Each error code corresponds to a specific fault in the device.
❒
d1 and d2 indicate a cooling circuit fault.
❒
d3 indicates a water circulation fault.
❒
d4 indicates a temperature probe fault.
❒
d5 indicates that the device's operating limits have been exceeded.
❒
d6, d7 and d8 indicate that there is a risk of freezing in the indoor exchanger.
❒
d9 indicates a terminal operation fault.
7.3 Resetting
Two levels of fault can be distinguished.
1) - Temporary fault: the fault number flashes on the screen.
It is cleared automatically on return to normal operating conditions.
2) - Permanent fault: the fault number is displayed in steady light on the screen.
It is cleared manually.
After having solved the problem on the installation, set the knob at stop position and
press the OK key for 3 seconds.
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