ZYMBO AATT Ventilarredo RX-200/ECO, Service Manual

Page: 80 / 94

ZYMBO AATT
Ventilarredo Service Manual – English Pag. 80
7.10 ERROR INDICATION
1) When faulty slave unit is detected, Master unit display area shows the faulty unit address, time area
shows the error code and wall pad backlight changes to red color. Should there be multiple units
having problems, addresses and error codes will be shown one after another.
2) When there is Error on slave machine only this machine stop to work and flash Error code .
3) When there is Error on Master machine all slave machine and master stop to work and flash Error is
only on master unit display or wired wall pad .
Error code definition:
Error Error code
Return air sensor faulty E1
Indoor coil sensor faulty E2
PG motor faulty E3
PG motor faulty E4
Anti cold fan E5
Anti heat fan E6
Indoor coil low temperature E7
local communication fault E8
Mode fault E9
water pump fault
Ea
（
command on board
） ，
E10(wired wall pad)
Indoor coil over temperature
Eb
（
command on board
） ，
E11(wired wall pad)
For system without master-slave settings, Error will be showed or on Saturn wired wall pad if present or
command on board panel .
If the unit have Saturn wired wall pad , error code would be displayed with on wired wall pad and on
command on board .
With Host Computer Connection
Error message is same as above table.
7.11 INDOOR PG MOTOR PROTECTION
When activated indoor PG motor is powered on, but could not receive the feedback signal, motorized
valve, would close. Unit would display motor protection error code. If indoor PG motor receive feedback
signal, it would work and cancel protection error code.
SW4 PG motor
0 PG1 motor is activated
1 PG1, PG2 motors are activated