Warnings - Slant/Fin VGH-80-CH User's Information Manual

Blocking Error
code
164 LOWEXFLOW_
PROTECTION
165 VSUPPLY_TOO
_LOW
166 VSUPPLY_TOO
_HIGH
Table 5.3

Warnings

Warning Warning
no.
200 CC_LOSS_
COMMUNICATION
202 APP_SELECTION_
ERROR
203 CC_LOSS_BOILER_
COMM
204 OUTDOOR_WRONG
205 T_SYSTEM_WRONG
206 T_CASCADE_WRONG
Table 5.4
27
Description
Flow is too low, demand
needs to be stopped with
fan at ignition speed*, but
no error needed to be
stored at this time
Main supply voltage too low
for more than 60 seconds
Main supply voltage too
high for more than 60 sec.
Description
Cascade System:
Managing cascade control
lost communication with
one of the depending.
Unknown appliance model
selected
Dual Cascade System:
Managing cascade control
lost communication with
one of the depending.
T_Outdoor sensor
measures open/shorted
T_System sensor
measures open/shorted
T_Cascade sensor
measures open/shorted
E95.1901EN032 User manual Slant Fin VGH-CH / CO
Cause Solving
not enough water If the boiler does not start
flow through heat after Reset, contact your
exchanger installer
dip in power supply Check power supply
to boiler
peak in power Check power supply
supply to boiler
Cause
connection between
cascaded boilers is
interrupted or wiring
is broken
wrongly
programmed
parameters
connection between
cascaded boilers is
interrupted or wiring
is broken
malfunctioning
outdoor sensor or
not connected or
wrong CH-mode
programmed
malfunctioning
system sensor or
not connected
malfunctioning
cascade sensor or
not connected
Solving
Contact your
installer
Contact your
installer
Contact your
installer
Contact your
installer
Contact your
installer
Contact your
installer