11
Original Instructions
EN
SC DELTA
Symbol
Ref # Function
Signal
Action
MPU
A
7
Red - overload protection acti-
vated for actual MPU#
- Check power supply
MPU
8
- Reset warning on actual MPU
- Hour counter actual MPU
Flash red - MPU deactivated
on the overload protection unit
Green - MPU activated
Highlighted square when reset
is possible
- Before reset please make
sure that the problem is
solved
HZ
A1
9
Flash red - warning on inverter
MPU (oil, temp., overload)
Red - inverter failure
- Check MPU where the failure
is down
- Contact service
10
- Service functions
Flash blue - 20 hours or less to
next service
Blue - service needed
- Contact service
Water tank
11
- Reset low water level warning Water tank square symbol:
Blue - normal water level
Yellow - warning water level
Red - Critical water level
Water inlet Valves:
Blue - Cold water inlet open
Red - Hot water inlet open
- Check water supply
- Check water fi lter
- Check water supply
- Check water fi lter
Temp.
12
- Adjust water tank tempera-
ture
- Press the value (60°C) for 10
sec. to open the adjustment
window (option/accessory)
Pressure
13
- Adjust the line pressure.
- Press the value (100) for 20
sec. to open the adjustment
window
Backfl ow
bar
14
Blue - the bar will be coloured to
show the amount of water that
fl ows back to the water brake
tank. If 1/3 of the bar is blue on
a 6 MPU machine, it means that
2 MPUs are bypassing water.
S1
15
Red - failure on the 1. Slave
machine. Only with master/
slave machines
- Check the UI Display on the
1. Slave machine to see the
actual failure
S2
16
Red - failure on the 2. Slave
machine. Only with master/
slave machines
- Check the UI Display on the
2. Slave machine to see the
actual failure
