Hayward EcoStar - Page 36

‘Blank/Bad Wall Mount Display’
Blank/Bad
Wall Mount
Display
(pg. 25-26)
Check mains
connector for
240VAC
Is voltage
between 200-
250VAC?
YES
NO
Correct
supplied
power
Inspect
wiring
(RS485)
Wiring
damaged?
Replace
Comm
wiring
YES
NO
Test power on
Display (RS485) for
9-15VDC on
terminals 1-4
(right to left)
Is voltage
correct?
NO
Replace
Display
YES
Test RS485
on pump?
Is voltage
correct?
NO
Replace
Drive
YES
Page 34