10
Troubleshooting
Logano plus GB312 – 6 720 806 273 (2013/01)
62
Faults 8L/579 (interlocking)
Cause:
no gas supply pressure/safety sequence pressure switch cut out.
Description:
there is no gas pressure present / a pressure switch in the
safety sequence has tripped.
Fig. 70 Troubleshooting procedure 8L/579
yes
no
Perform reset!
Perform reset!
yes
no
Is the required gas supply
pressure of > 3.5 inches w.c.
present?
Perform reset!
Eliminate cause!
Check setting of SAFe
pressure switch
(should be 3 inches w.c.)!
Is pressure
switch setting
correct?
Adjust setting
to 3 inches w.c.
Does MV1 (see LED of the gas
valve) open before error
message?
Check gas
valve connector
is in proper contact.
no
Perform reset!
Perform reset!
Does burner start up?
no
Replace SAFe
pressure switch.
Does burner start up?
Perform reset!
no
Replace SAFe!
Содержание Logano plus GB312
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