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6. Troubleshooting
6.1 The unit does not start
Is there voltage
to the unit?
Reconnect voltage
No
Is the ’Δ’ lamp
flashing?
Yes
Go to section 6.2
Yes
No
Go to setup
→settings
menu
→ Startup
method, and set it to
pressure
Does the unit start
Call a service
technician
Yes
No
Set unit back to
Flow start in setup
menu
Try to readjust
flow switch
(chapter 5.1.3.1)
Can the unit start?
No
OK
Yes
