Pentair CD-15G Installation And User Manual page 11

Table 1: Troubleshooting
Problem (Indication)
1. Unit does not start
(main power light is off and no
sound is coming from the unit)
2. Unit is in vacuum fault
(vacuum light is on)
3. Unit is in high temperature fault
(high coolant temperature light is
on)
4. Unit is in backflow fault
(water backflow detected light is on)
5. Unit does not flow gas
(flowmeter at bottom of scale)
6. Unit ozone production does not
start
(both ozone power and vacuum
lights are off)
7. Unit does not provide effective
sanitation
(both main power and ozone power
lights are on)
TSG CD-15G & 25G
(for best results follow the table order)
Possible Cause
a. Unit is not supplied power
b. Unit door switch is open
c. Unit power switch is in off position
d. Unit circuit breaker is tripped
a. Inadequate vacuum is supplied to
unit
b. Unit S.S. check valve has failed
c. Unit vacuum switch has failed
d. Unit vacuum regulator requires
adjustment or has failed
a. Unit thermal switch has tripped
b. Unit thermal switch has failed
a. Water has returned from injection
point and triggered unit back flow
float switch
a. Unit flowmeter valve is closed
b. Unit jumper(s) at TB1 are removed
(optional system control hookup, e.g.
flow switch and/or ambient O3)
c. Unit fuse is blown
d. Unit pressure switch is not active
e. Unit orifice is plugged
f. Unit solenoid valve(s) has failed
g. Unit flowmeter ball is stuck on
bottom of sight tube
h. Unit vacuum regulator requires
adjustment or has failed
a. Unit jumper at TB4 is removed
(optional external ozone control
hookup, e.g. ORP or dissolved O3,
directly wired or through 5-Pin)
a. Unit variable ozone output control
setting is too low (optional feature)
b. Leak in plumbing that dilutes
applied ozone dose
c. Low gas flow and/or low oxygen
concentration
d. Unit ozone cell has reached
service life or failed
e. Unit ozone power supply has failed
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INTELLIZONE™ COMMERCIAL OZONE GENERATOR Installation and User's Guide
Corrective Action
Connect unit to power source
Turn power source breaker on
Reset power source G.F.C.I.
Verify power source voltage is
within unit specification
Close unit door
Turn power switch on
Reset circuit breaker
Connect unit to vacuum source
(injector)
Adjust injector to provide more
vacuum
Fix leak or obstruction in plumbing
between injector and unit
Clean or replace S.S. check valve
Replace vacuum switch
Call service department for
assistance
Reduce supplied cooling water
temperature and/or increase flow
rate
Obstruction or scaling in cooling
block assembly (clean or replace)
Replace thermal switch
Disconnect ozone line between
injector and unit at ozone output
fitting, drain BFPD vessel, and
replace SS check valve
Adjust flowmeter valve open
Re-install jumper(s) and/or verify
system control(s) are operational
Replace fuse
Verify unit plumbing between
oxygen concentrator and pressure
switch is securely connected
Replace compressor air filter
Rebuild compressor
Replace oxygen concentrator
Clean or replace orifice
Clean or replace solenoid valve(s)
Repair or replace flowmeter
Call service department for
assistance
Re-install jumper and/or verify
external ozone control is
operational
If so equipped, increase ozone
output setting
Fix leak in plumbing (inside unit
and/or between unit and injector)
Replace unit compressor air filter
Clean or replace unit orifice
Clean or replace unit check valve
Rebuild unit compressor
Replace unit oxygen concentrator
Replace ozone cell
Replace power supply
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