Viessmann VITOSOLIC 200 Instructions d'exploitation télécharger pdf (Page 89)

Displayed faults

"Messages:"

"Fault" Cause Remedy

!Interruption

>Sensor <

The sensor has suffered a

break

Check the sensor con-

cerned (see page 92).

!Sensor circuit

>Sensor <

The sensor has suffered a

short circuit

Check the sensor con-

cerned (see page 92).

?Night circ.

Note

A central fault message

facility that may be connec-

ted to relay R7 will not be

switched ON.

Recirculation via gravity Check any installed non-

return damper (Solar-Divi-

con) or install one.

?ΔT too high

See information above.

Circulation pump faulty.

Message only if solar

heating takes place for

longer than 20 min at a

temperature differential

between collector and

consumer greater than

50 K.

Check pump connection

and pump.

!EEPROM Internal fault. Switch solar control unit

OFF and ON again after a

brief interval. Check all set-

tings. If the fault recurs,

replace the solar control

unit.

!Processors

!SD module fault Display cause of the fault:

Press OK (see

page 147).

See page 147.

SD fault

Troubleshooting

Fault messages

(cont.)

5414 620 GB

Service

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Viessmann VITOSOLIC 200 Instructions d'exploitation Page 89

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