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DF M
ANUAL
P
ROBLEM
The unit is not working and the
control panel LEDs are off.
The air curtain is switched off but is
still working.
5.3
Remedying faults
Installation, Operating And Maintenance Manual version 1.0 (16-08-2023)
P
ROBABLE CAUSE
The unit is switched off.
The unit has no power supply.
The unit cools off automatically.
See also:
1
"Starting and stopping" on page 1
1
"Adjusting the strength of the air curtain" on page 1
1
"Adjusting heating" on page 1
If you suspect a fault:
1. Check whether the problem can be easily resolved.
2. Try to resolve the problem using the table below. Techni-
cal expertise is required for this.
3. If you have identified a fault, and the previous section does
not provide a solution, then contact the supplier.
S
OLUTION
Turn the unit on.
Check the mains supply:
• is the plug in the socket?
• Is the isolation switch on?
• is there a voltage present?
This is not an error. The unit will
normally shut down automatically
within two minutes.
en
E
RRORS
en-33
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