Table of Contents
Advertisement
BOILER TEMPERATURE NOT REACHED
If after 15 minutes from turning on the machine, the boiler temperature sensor does not detect at least 80 °C, all machine functions
are disabled.
24 VAC VOLTAGE FAILURE AT THE EV SOLENOID VALVES
When the electronic control board detects the power on the transformer secondary = 0 volts for 3 consecutive seconds, all machine
functions are disabled.
FAULTY BOILER WATER LOADING SYSTEM
When at the first switching on, the automatic water refill system stays on for 8 minutes consecutively.
During normal operation, when the automatic water refill system stays on for 4 minutes consecutively.
All machine functions are disabled.
MAIN SERIAL COMMUNICATION FAILED
When the communication between the front display and the control board is missing.
EN LSC 050 06-2020
43
Advertisement
Table of Contents
