Nautilus HYDRO-FORCE MX500HE Operating Manual page 22

Problem Cause
Solution Tank Water source turned off
not filling Float not on valve arm
Float valve faulty
Water hose restricted
Water Pressure too high
Quick connects faulty
Solution tank Float too heavy/ Filled with water
overflowing Float & chain tangled
Float too high
Water Pressure too high
Float valve faulty
Chemical Jug Foot valve in Filter stuck
Filling with Foot valve in Filter faulty
water -
Overflowing
Water Not Faulty switches or internal wiring
Getting Hot Temperature Switch faulty
Water Being used too fast
Heater switch is OFF
Heater Faulty
* performed by experienced service technicians.
If you are not experienced in checking electrical wiring contact your nearest authorized service
center to perform tests and repairs to wiring and switches.
• Contact your distributor for additional troubleshooting
assistance, to order parts, or for advice and assistance in
performing necessary repairs.
Solution
Turn on faucet or find other water source
Reconnect float to valve arm - Adjust to proper height/level
Repair or replace float valve
Un-kink, clean out or replace hose
Use pressure regulator on auto-fill hose
Clean out or replace quick connects (AH101B, AH102B)
Replace float
Make sure float chain free & hanging properly
Adjust chain to set float at proper level
Use pressure regulator on auto-fill hose
Repair or replace float valve
Clean out foot valve and filter
Replace foot valve and filter (PDE100-11P)
Check wiring & test switches - Repair as needed *
Replace Temperature Switch On Heater
Re-jet wand – Slow the flow - Take extra drying strokes
Turn Heater Switch ON.
Replace Heater (NM5043F)
: To reduce the risk of fire electrical shock or injury repairs to wiring should only be
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