PROBLEM
POSSIBLE CAUSE
Keys don't seem to
8. Keypad lock enabled
work
E01 or E02 is
9.Integrated room sensor is
displayed
broken or in short circuit
E03 or E04 is
10. Water probe is bro-
displayed
ken or in short circuit
The device beha-
12. Unidentifiable cause
ves irregularly
Do not tamper with any part of the product for any reason.
In case of persistent anomalies, contact a technician you trust or the store where you purchased the
device.
SOLUTION
8. Disable the keypad lock as described
9. Press the RESET button. In case of persistent anomaly, replace
the device
10. Check the accuracy and integrity of the probe and its connections,
and replace it if necessary.
11. Disconnect the device from the main power supply, remove the
probe to inhibit the minimum/maximum function, connect the device to
the power supply
12. Press the RESET key and, if the problem persists, replace the device.