Holman DIAL EZY GARDENER, Instruction Manual

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28
FAULT FINDING GUIDE
SUGGESTION
Check fuse, check field wiring, check
transformer
Check solenoid coil (a good solenoid
coil should read around 33ohms on
a multi meter). Test field cable for
continuity. Test Common cable for
continuity.
Check solenoid coil ( a good solenoid
coil should read around 33ohms on
a multi meter). Test field cable for
continuity. Test Common cable for
continuity. Test connections.
If unit works manually then check the
programming. If not then check the
fuse, wiring and transformer.
Check instruction book to ensure
programming is correct. If buttons still
not responding then return panel to
supplier or manufacturer.
Check number of start times entered
on each program. All stations will run
once for every start. If fault persists
return panel to supplier.
SYMPTOM
No display
Single station
not working
Fuse fault Stn
shown in display
No automatic
start
Buttons not
responding
System coming
on at random
POSSIBLE CAUSE
Faulty transformer or
blown fuse
Faulty solenoid coil, or
break in field wire
Check fault indicator in
display
Incorrect wiring or bad
connection. Solenoid coil
has shorted through
Test current with “System
Test” function
Programming error or
blown fuse or transformer
Short on button or
programming not correct
Unit may be in sleep
mode and no AC power
Too many start times
entered on automatic
programs