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Fault indicator on the programming unit
In case of a fault,
is displayed and the light bar
flashes orange.
Note
If a central fault message facility is connected, this is
switched on.
Tap
in the footer to call up the fault messages.
For an explanation of the fault codes, see the following
table.
Acknowledging the fault display
Tap
.
Note
Any connected central fault message facility is
switched off.
If an acknowledged fault is not remedied, the fault
message will be redisplayed the following day at
07:00 h, and the fault message facility restarts.
Calling up acknowledged fault messages
Tap the following buttons:
1. "
"
2. Tap "Message lists".
The fault messages appear in chronological order.
Note
When troubleshooting, always observe the sub-
scriber number of the component. Check the com-
ponent displayed. The subscriber number of the
component depends on the rotary switch position
of the corresponding extension module. The rotary
switch position was set during installation.
To identify the affected module, check the rotary
switch position on the module if necessary.
The following is displayed:
■
Date and time of the occurrence of the fault
■
Fault number
■
Description of the fault
Subscriber number of the component on which
■
the fault has occurred
PlusBus subscriber components
0
EM-S1 extension
1 - 15
EM-M1, EM-MX and EM-P1 extensions
17 - 31 EM-EA1 extension
32 - 47 Cylinder module, EM-M2, EM-S2 exten-
sions
CAN BUS subscriber components
1
HMU control unit
50 Burner control unit
91 M-Bus gateway
94 Fuel cell
Calling up fault messages from the fault memory
(message history)
The 10 most recent faults (including those remedied)
and service messages are saved and can be called
up.
Faults are sorted by date.
Tap the following buttons:
1. "
"
2. "Service"
3. Enter password "viservice".
4. "Message history"
5.
"Faults" to call up saved fault messages.
■
"Service messages" to call up saved service
■
messages.
Meaning of service messages:
P.1
Interval until the next service
P.4
Top up heating water
P.5
05F0: 5 yearly fuel cell maintenance is
required
P.6
07F0: Repair required
P.7
09F0: Decommissioning required (after 20
years of operation)
P.8
Interval in burner hours until the next serv-
ice
P.14 Fuel cell maintenance required in less than
45 days
P.15 Fuel cell maintenance required in less than
1 month
P.19 Fuel cell overhaul required in less than 3
months
P.20 Fuel cell overhaul required in less than 2
months
P.22 Fuel cell overhaul required in less than 1
months
P.23 6 months until fuel cell decommissioning
P.24 5 months until fuel cell decommissioning
P.25 4 months until fuel cell decommissioning
P.26 3 months until fuel cell decommissioning
P.27 2 months until fuel cell decommissioning
P.29 1 month until fuel cell decommissioning
6. If you wish to delete the list, tap .
7.
to confirm.
Troubleshooting
103
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