I Lighting Of Leds On The Printed Circuit Board - Zodiac Z550iQ Instructions For Installation And Use Manual

Display
E16 / E17
Error on the fan motor
E18
Problem relayed by the
compressor driver
E19
Driver - compressor
communication fault
E20
Main board not configured Board settings

4.3 I Lighting of LEDs on the printed circuit board

LED5
No errors
Appliance
switched off
Error 04
Error 05
Error 06
Error 07
Error 08
Error 09
Error 10
Error 11
Error 12
Error 14
Error 15
Error 16
Error 17
Error 18
Error 19
Error 20
: LED on
Possible causes
Fan motor disconnected
Fan motor damaged
Electrical supply over or
undervoltage
Incorrect compressor
winding value
Bad connection between
the A1 and A2 boards
Board power supply fault
Faulty boards
LED4
: Flashing LED
Solutions
Check the fan motor
connector. If the problem
persists, call a qualified
technician
Replace the fan motor
Check the electrical
supply voltage (maximum
240V ±10%)
Check the resistance
value of the windings
(anticipated value ≈ 1 oHm)
Check that the CONIN
(A1 board) and AB (A2
driver board) connectors
are correctly connected
Check the boards'
power supply
Replace the A1
(regulation board) and A2
(compressor driver) boards
Enter the appliance
model in the settings
LED3 LED2
Resetting
• LED "steady red"
= automatic
• LED "flashing red"
= press
• LED "steady red"
= automatic
• LED "flashing red"
= press
• LED "steady red"
= automatic
• LED "flashing red"
= press
Automatic
Automatic
LED1
Empty: LED off
EN
20