Troubleshooting - Bosch Air Center Control User Manual

Troubleshooting

20 Troubleshooting
 16.2.4 "Scan VRF system (system scan)"
 18.9 "Restarting"
 18.5 "Update manager"
 18.4 "Language, date and time"
 16.2 "System structure"
Error code Error description
X1 Communication fault
X2 Major fault
X3 Fault, E-Mail Manager
X4 Software update via USB failed
X5 Software update via Internet failed
X6 Fault, USB interface
X7 Fault, AC EXP expansion card
X8 Fault, date and time
X9 Fault, Internet time synchronisation
1)
(-) Indoor unit not responding for longer than
5 minutes
1) This message only appears as a notice, and not as fault with error code
54
Test procedure/Cause
Communication fault between central
controller and outdoor unit
Fault in the hardware/software of the
central controller
Fault in the network or required with the
Internet connection or new configuration in
the E-Mail client.
Software update via USB interface has
failed.
Software update via Internet failed.
USB interface is not working properly.
Connection to AC EXP expansion card
faulty
No power supply to central controller for
prolonged period
NTP server not available. NTP server
blocked by Firewall.
Indoor unit no longer available in the XYE
network. No power for a prolonged period
has led to communication faults in the VRF
system.
Action
▶ Check XYE wiring between the central
controller and outdoor unit.
▶ Repeat system scan (Notice: this
deletes all user-specific settings).
▶ Restart central controller.
▶ Contact service and replace central
controller if required.
▶ Check E-Mail client setting.
▶ Check Internet connection.
▶ Check network wiring (LAN1).
▶ Restart central controller.
▶ Contact service.
▶ Repeat software update.
▶ Remove and reinsert USB medium.
▶ Restart central controller.
▶ Update software via Internet.
▶ Contact service.
▶ Check Internet connection.
▶ Check network wiring (LAN1).
▶ Check software update setting.
▶ Restart central controller.
▶ Update software via USB interface.
▶ Contact service.
▶ Restart central controller.
▶ Contact service and replace central
controller if required.
▶ Restart central controller.
▶ Disconnect central controller from the
power supply, remove and reinsert
expansion card
▶ Replace expansion card.
▶ Check and adjust date and time
settings.
▶ Check network connection (LAN1).
▶ Check network configuration. Contact
system administrator.
▶ Deactivate Internet time
synchronisation and set time
manually.
▶ Restart the VRF system ( Technical
documentation of indoor and
outdoor units).
▶ Check the system structure and add or
delete units, if necessary.
▶ Repeat system scan (Notice: this
deletes all user-specific settings).
Air Center Control – 6720892123 (2020/06)