27
E95.1901EN032 User manual Slant Fin VGH-CH / CO
Blocking
code
Error
Description
Cause
Solving
164
LOWEXFLOW_
PROTECTION
Flow is too low, demand
needs to be stopped with
fan at ignition speed*, but
no error needed to be
stored at this time
not enough water
flow through heat
exchanger
If the boiler does not start
after Reset, contact your
installer
165
VSUPPLY_TOO
_LOW
Main supply voltage too low
for more than 60 seconds
dip in power supply
to boiler
Check power supply
166
VSUPPLY_TOO
_HIGH
Main supply voltage too
high for more than 60 sec.
peak in power
supply to boiler
Check power supply
Warnings
Warning
no.
Warning
Description
Cause
Solving
200
CC_LOSS_
COMMUNICATION
Cascade System:
Managing cascade control
lost communication with
one of the depending.
connection between
cascaded boilers is
interrupted or wiring
is broken
Contact your
installer
202
APP_SELECTION_
ERROR
Unknown appliance model
selected
wrongly
programmed
parameters
Contact your
installer
203
CC_LOSS_BOILER_
COMM
Dual Cascade System:
Managing cascade control
lost communication with
one of the depending.
connection between
cascaded boilers is
interrupted or wiring
is broken
Contact your
installer
204
OUTDOOR_WRONG
T_Outdoor sensor
measures open/shorted
malfunctioning
outdoor sensor or
not connected or
wrong CH-mode
programmed
Contact your
installer
205
T_SYSTEM_WRONG
T_System sensor
measures open/shorted
malfunctioning
system sensor or
not connected
Contact your
installer
206
T_CASCADE_WRONG T_Cascade sensor
measures open/shorted
malfunctioning
cascade sensor or
not connected
Contact your
installer
Table 5.3
Table 5.4
Содержание VGH-100-CH
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