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A. MOTOR WON'T START 
1. Check open switches, relays, 
blown circuit breakers or fuses.
2. Ensure power cord is p lugged in
and power is switched on 
(240v Models only). 
3. Refer to Theralux Authorised 
Service Agent or qualified technician.
B. MOTOR CUTS OUT 
NOTE: Your Theraflo pump 
motor is equipped with 
Automatic Thermal Overload 
Protection. Motor automatic 
shut-off, under normal conditions, 
before heat damage build up, due 
to an improper operating condition. 
The motor will auto-restart when a 
safe heat level is reached. If motor 
fails to restart switch power off and 
contact an Authorised Theralux 
Service Technician or service company.
C. MOTOR HUMS, BUT DOES NOT START 
If motor fails to start, switch 
power off and contact an 
Authorised Theralux Service 
Technician or other qualified service 
company. 
D. PUMP WON'T PRIME 
1. Make sure pump/strainer is filled 
with water. and that cover gasket is 
clean and properly seated. Tighten hand 
nuts.

2. Make sure all suction and discharge 
valves are open and unobstructed, 
and that pool water level is above all 
suction openings. 
E. LOW FLOW 
Generally, check for:
1. Clogged or restricted strainer or
suction line. 
2. Plugged or restricted discharge 
line of filter (high discharge gauge 
reading). 
3. Air leak in suction (bubbles issuing
from return fittings). 
F. NOISY PUMP 
Check for:
1. Air leak in suction causing rumbling
in pump. 
2. Cavitation due to restricted or 
undersized suction line and restricted
discharge lines. 
3. Vibration due to improper mounting,
etc. 
4. Foreign matter in pump housing.
5. Motor bearings made 
unserviceable by wear, rust, or continual 
overheating. Refer to Authorised Theralux
Service Agent. 
G. If SUPPLY CORD IS DAMAGED, it 
must be replaced by the manufacturer. its 
service agent or similarly, qualified 
persons to avoid a hazard. 

WARNING

 

The Pump Motor is an electrical dev

i

ce 

and 

as such

,

 should not be dis-

 

assembled  or  serviced  by  anyone  other 

than  an 

Authorised 

Theralux 

Service 

Technician or  qualified  Electrical  Service

 

Company. An experienced Pool Service Technician should attend to 

all 

problems 

that  routine maintenance cannot correct

.

 

 International  Quadratics

 

www.theralux.com.au

 

1300 131 

788

 

[email protected] 

  A Division of 

 
 

Th

i

u

ser m

a

n

u

a

sha

ll 

no

be 

r

e

p

roduced without 

th

e prior permission of Internatio

n

al Quadratics

.

 

Summary of Contents for Theraflo S Series

Page 1: ...t dependable corrosion free service The advanced design reduces operation and maintenance to simple common sense procedures IMPORTANT This appliance is not intended for use by young children unless th...

Page 2: ...residual operating current of 30mA All electrical wiring must be performed by qualified electrical contractor and must conform to electrical regulations and AS3000 wiring rules STARTING AND PRIMING I...

Page 3: ...1 using a 1 2 AF spanner or socket 2 Slide the motor assembly out of the pump strainer housing item 1 exposing the diffuser item 6 Pull the diffuser off the seal plate item 10 exposing the impeller Th...

Page 4: ...impeller ring item 7 back onto the impeller item 8 with its flange facing towards the diffuser item 6 6 Place the diffuser item 6 over the impeller item 8 and onto the seal plate item 10 aligning the...

Page 5: ...raflo 75hp THERAF4308B Impeller suit Theraflo 1hp THERAF4308D Impeller suit Theraflo 1 5hp THERAF4308 E Impeller suit Theraflo 2hp 9 THERAF4309 Seal Assembly 10 THERAF4310 Seal Plate 11 THERAF4311 Mot...

Page 6: ...al balance of pool water ood damage damage caused by running the pump o an extension cord damage caused by foreign material blocking the impeller pebbles organic matter toys etc or if the pool pump is...

Page 7: ...all suction openings E LOW FLOW Generally check for 1 Clogged or restricted strainer or suction line 2 Plugged or restricted discharge line of filter high discharge gauge reading 3 Air leak in suction...

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