Immergas MAGIS PRO 12 V2 Instructions And Recommendations page 40

Error
Anomaly signalled
Code
Outdoor unit in test
E 183
mode
Communication
error with outdoor
E 184
unit
Return probe
E 187
anomaly
Request with
temperature out of
E 188
range
Time out alarm with
E 189 communication
board
Communication
E 190
board alarm
Appliance in test
E 193
mode
Outdoor unit disabled
E 194
Liquid phase probe
low temperature
E 195
anomaly
Flow high
E 196
temperature block
Interface Board
E 197
Configuration Error
(1) If the shutdown or fault persists, contact an authorised company (e.g. Authorised After-Sales Technical Assistance Centre).
40
Cause
A signal notifies that the condensing unit is in test mode
A signal notifies an anomaly due to a communication prob-
lem between the indoor unit and the outdoor unit.
The board detects an anomaly on the return NTC probe
A request is made with the outdoor temperature exceeding
the operating limits (Parag. 1.18)
If communication between the printed circuit boards is
lost, an anomaly is signalled.
An anomaly appears on the communication board
A signal notifies that the appliance is in test mode
A signal notifies that the outdoor unit has been disabled
through the appropriate input in the terminal board
Too low temperature is detected in the liquid phase
An excessively high temperature is detected on the heat
pump flow circuit
An incorrect interface board configuration has been de-
tected
Indoor unit status / Solution
During this time, room air condition-
ing and domestic hot water produc-
tion requirements cannot be met
Have the electrical connection
between the units checked.
The system does not start (1).
The system does not start (1).
The system does not start (1).
Wait for the outdoor unit to be
restored within operating limits.
The system does not start (1).
Check communication between the
P.C.B. and the interface board.
The system does not start (1).
The system continues operating
properly.
The system continues operating
properly.
Check that the cooling circuit is
working properly (1).
Check the hydraulic circuit (1).
The system does not start (1).