Guide; Replacement Parts; Ordering Information; Parts List - Jandy DP3000 Installation And Operation Manual

9.2.3.5. Control & Cad Cell
Troubleshooting Guide
Symptom
Burner runs all the time
No combustion
Ohmmeter pointer above 2
Ohmmeter pointer below 3
Primary won’t lock out
Ohmmeter pointer below 50
Burner won’t start
Burner runs with
thermostats contacts open
SECTION 10.

Replacement Parts

Possible Cause

10.1 Ordering Information

Defective primary
control
No power to the
primary.
Limit switch turned
off.
Defective limit
switch.
Bad wire connection.
Bad burner motor.
No power from fuse
box.
Defective primary

10.2 Parts List

Key
Partly plugged
No. Description
nozzle.
Cad cell dirty.
Cad cell misaligned.
Defective cell.
Not enough
combustion air.
Cad cell sees too
much light.
Adjust alignment.
Defective primary
Stray light in burner
housing.
Defective cad cell.
Open circuit in
thermostat wiring.
Dirty thermostat
contacts.
Defective thermostat.
Short circuit in
thermostat wiring
NOTE:
FUEL SYSTEMS
ELECTRICAL SYSTEM
WATER SYSTEMS
POOL PRODUCTS
Model ORDER
No. PART NO.