Display Of The Codes - Maico WRG 180 EC Mounting And Operating Instructions

7.3 Display of the codes

Table of fault codes
Fault Cause
code
F2 The supply air fan is
no longer working
F5 The outgoing air fan is
no longer working
F9 The sensor that
measures the
temperature of the
supply air is defective
F10 The sensor that
measures the
temperature of the
exhaust air is efective
26
User measures
● Contact
installer.
● Contact installer ● Exchange the outgoing air fan; it is
● Contact installer ● Check the cabling from the sensor
● Contact installer ● Check the cabling from the sensor
Installer measures
● Exchange the supply air fan; it is
defective
defective
to the main board.
● Check the cable connection at the
sensor.
● Replace the sensor.
to the main board.
● Check the cable connection at the
sensor.
● Replace the sensor.