20
Troubleshooting –
Nautilus MX3-1200E
Problem
Cause
Solution
Machine not
Building circuit breaker tripped.
Reset breakers or move cords to other outlets
turning on -
Faulty power cord
Replace cord
No power
Faulty switches or internal wiring
Check wiring & test switches - Repair as needed *
Solution
Pump
Building circuit breaker tripped.
Reset breakers or move cords to other outlets
not running
Pump circuit breaker tripped
Reset breaker – Check available circuit power & pump
Faulty power cord
Replace cord
Faulty switches or internal wiring
Check wiring & test switches - Repair as needed *
Pump motor breaker tripped
Push in reset button on pump motor &/or external breaker
Pump motor faulty
Replace pump motor (PT059)
Pump seized - trips breaker
Repair or replace pump head & bearing (PT058) - Check
motor and/or replace complete pump & motor assy. (AP48)
Low Solution
Jets too large for pressure desired
Check jets size & flow rates use smaller jets or lower
pressure
Pressure
Jets worn allowing too much flow
Replace Jets
Low and/or
Solution inlet filter plugged
Clean or replace filter
Pulsating
Hose from solution tank restricted
Repair or replace hose
Pump intake hose or fittings
leaking
Repair or replace hose. Tighten clamps or replace fittings
Pressure regulator sticking
Lube o-rings on regulator shaft – PAGE 33
Pressure regulator faulty
Repair or replace pressure regulator / unloader (PT017)
Filter screen or jets plugged on
tool
Clean out filter or jets
Solution tank empty
Add water to tank - Check & repair auto fill assembly
Pump not primed
Perform pump priming procedure
Priming Valve stuck open
Repair or replace the Priming Valve
Pump faulty
Repair or replace pump (PT059 or AP48)
Pressure Gauge faulty
Replace gauge (PT063)
Tool valve faulty
Repair or replace valve
Quick connects or hoses restricted Clean out or replace quick connects and/or hoses
Can't connect
Pressure in lines
Release pressure
solution hose
Quick connects faulty
Replace quick connects (AH101B, AH102B)
to machine
Wrong style/size quick connects
Replace quick connects to match connects on machine
*
: To reduce the risk of fire electrical shock or injury repairs to wiring should only be
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.
Section
2
Troubleshooting
Summary of Contents for MX3-1200E
Page 1: ...1 LMANN12 Revised 01 29 2015 Nautilus MX3 1200E Operating Manual...
Page 39: ...39 NM5740 AUTO FILL FLOAT VALVE ASSEMBLY...
Page 41: ...41 Pump Out Pump AP37F PARTS ASSEMBLY...
Page 42: ...42 1 2 3 5 4 4 6 7 8 9 10 39 8 3 8 9 11 12 23 100 104 2 9 8 9...
Page 49: ...49 2 39 1 72 73 73 67 9 30 31 82 83 2 83 82 84 INSIDE SOLUTION TANK BOTTOM VIEW SOLUTION TANK...
Page 51: ...51 PUMP OUT CONNECTIONS 96 88 112 105 93 99 96 91 95 97 9 111 113 117 103...
Page 52: ...52 FLOW 81 92 91 99 96 9 97 105 13 14A 14 95 PUMP OUT PARTS 1 39 103 9 97...