BIFFI ICON3000 Service Manual

Service Manual
MDE 252 Rev. 1 December 2021
Troubleshooting 23
Section 2: Troubleshooting
2.4 The Electronics Does Not Switch on
When Powered
1. Check that the value of the main voltage on terminals L1, L2, L3 is correct.
2. Check the fuse mounted on the power card. Replace it if burnt.
3. If the fuse is OK, check the wires between terminals L1, L2, L3 and connector M1 of
the power card. If it is correct, replace the power card.
2.5 DC Output Voltage Not Available at the
Actuator Terminals
1. Switch the main power supply off and disconnect all wires from terminals
B1-B2 and C1.
2. Switch the main power supply on and check if the voltage on the terminals
B1-B2 and C1 is between 23 and 27 V DC. If the voltage is correct, check the
external wiring and the electrical load. It should not exceed 4 W.
3. Check internal wiring between power card and terminal board. If the voltage is not
correct, replace the power card.
Power Card
Fuse
Figure 4
Figure 5

BIFFI ICON3000 Specifications

General

Brand	BIFFI
Model	ICON3000
Category	Control Unit
Language	English