Viessmann Vitocal 300-G BW, Инструкция по установке и обслуживанию

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114
Skip messages
To make adjustments/scans at the con-
trol unit:
Note
If an acknowledged fault is not removed,
the message will be re-displayed the fol-
lowing day at 07:00 h.
Access
■ Press "
Standard display "
E
on
page 111: Messages appear.
■ "BACK" :All messages will be
acknowledged simultaneously, the
message display will be hidden, the
red fault indicator continues to flash,
return to standard menu.
Message display
All messages have a 2-digit number as identifier, the so-called "ID".
Note
The following details are required for
checking sensors:
■ Sensor resistance curves, see from
page 168.
■ Sensor identification and connection,
see from page 177.
Access rights for 2 groups:
Heating engineer Heating contractor
Customer
System user
ID Message (pri-
ority) 1. Cause
2. Measures Access right
01 System fault
("
U
")
1. Control unit processor faulty
2. Replace the programming unit Customer
02 Delivered con-
dition after data
faults ("!") 1. Delivered condition set after recogni-
tion of the data fault
2. The system must be reconfigured
Customer
03 Configuration
error ("!") 1. Incorrect configuration of system com-
ponents
2. Creating the delivered condition and
reconfiguring the system
Customer
05 Fault EEV ("
U
") 1. Fault message from the EEV : Refrig-
erant circuit control
2. The system must be reconfigured
Customer
07 Message EEV
("i") 1. Message from the EEV: Refrigerant cir-
cuit control
2. No measures required
Heating engi-
neer
Troubleshooting
Control unit diagnostics
(cont.)
5368 522 UAE