English
PC-506 Series Sprinkler Timer
Page 34
Symptom
Cause
Correction
Electrical Issues
1.
LCD display is blank,
says PO OFF, or
flashes OFF and the
time.
a.
Timer is off.
Turn the switch at the top, left-hand corner of the
timer to ON.
b.
Fuse is
burned out.
Remove the burned out fuse located just above the
battery. Replace it with the spare 0.5 amp fuse on
the inside of the timer’s lower access cover.
c.
Transformer is
not plugged
in.
Make sure the transformer wire is connected and
the transformer is securely plugged in.
d.
Wall socket is
not supplying
power.
Make sure the main AC power supply is working
properly.
TROUBLESHOOTING