Viessmann Vitobloc 200 EM-50/81 Operating Instructions Manual page 52

Trouble-shooting
error message fault clearance
feeder circuit-breaker
●
●
system-tie circuit
●
breaker
●
faulty Lambda regu-
●
lator
system trouble
●
(message only.)
●
battery undervoltage
●
●
external fault
●
Lambda start posi-
●
tion
engine does not stop
●
faulty sensors
●
system protection
●
defective
faulty connection
●
minimum exhaust
●
gas temperature
52
switch on the feeder circuit-breaker
acknowledge fault with function key F8;
call customer service if error message
is repeated
check/switch on on-site coupling switch
acknowledge fault with function key F8;
call customer service if error message
is repeated
acknowledge fault with function key F8;
call customer service if error message
is repeated
the module continues to work in the
automatic mode while being connected
with the mains, when an external re-
quest is made
acknowledge fault with function key F8;
call customer service if error message
is repeated
check the battery voltage
acknowledge fault with function key F8;
call customer service if error message
is repeated
eliminate the fault on site and
acknowledge with function key F8
acknowledge fault with function key F8;
call customer service if error message
is repeated
acknowledge fault with function key F8;
call customer service if error message
is repeated
acknowledge fault with function key F8;
call customer service if error message
is repeated
acknowledge fault with function key F8;
call customer service if error message
is repeated
acknowledge fault with function key F8;
call customer service if error message
is repeated
acknowledge fault with function key F8;
call customer service if error message
is repeated
Operating instructions for the natural gas-fuelled CHP module VITOBLOC 200
possible cause of the fault
●
feeder circuit-breaker has failed due to the
thermal monitoring or has tripped as a result
of „Faulty alternator contactor"
1)
●
feedback from the on-site coupling switch
incorrect
1)
●
Lambda control does not reach the set value
1)
●
engine mixture too fat, too lean, false air
●
probe defective
●
faults and breakdowns in the local grid
1)
●
battery or charger defective
1)
●
external fault on site
(contact –X1/26-27)
●
Lambda control valve does not reach the
1)
start position
●
control valve defective
●
inadmissible speed while the machine does
1)
not work
●
starter defective
●
alternator contactor defective
●
data connection with the analog box defec-
1)
tive
●
analog box defective
●
cable breakage
●
data connection with the line protection de-
1)
fective
●
line protection cart defective
●
during isolated operations only
1)
engine erratic or instable
nd
2 isolated modulo
●
exhaust gas does not reach the required
1)
minimum temperature after the engine has
been started
●
sensor short-circuited