Rectify interference
6 720 643 196 (2010/02)
6
7. B Check the flow in the collector circuit.
Is it OK?
yes: Æ 9
no: B Check the filler connector and any AV valves
Does the error message recur? Æ 8
8. Is there enough fluid in the collector cir-
cuit?
yes: Æ 9
no: B Top up with alcohol mixed fluid.
Does the error message recur? Æ 9
9. Air in the collector circuit? Use a vent barrel.
B At the same time check the frost protection in the
collector circuit fluid.
Does the error message recur? Æ 10
10. B Check that the LP switch trips at the
correct value (1.5 bar).
(Requires refrigeration authorisation and
a manometer stand).
yes: Does the error message recur? Æ 11
no: Æ 11
11. B Check the connection to the LP switch
(Di1). Measure the ohmage at the
same time to see if the connection is
closed or broken (tripped).
Did that help?
yes: Does the error message recur? Æ 12
no: Æ 12
12. Faulty LP switch B Replace LP switch.
Description: Too low pressure in the cooling circuit. Automatic resetting of the pressostat, which must be
acknowledged in the display. IMPORTANT! The cooling circuit must be frost protected down to at least -15 °C.
Check Action
Tab. 2
6 720 643 196-01.1I
To Next Page
Loading...
Need help?
General
