Troubleshooting And Upkeep; Roubleshooting; Roubleshooting (C Ontinued ) - Kaivac 1250 Operator's & Parts Manual

4.1 t

RouBleshooting

cautIon:
always unplug machine before lifting electric cover assembly.
arEa ProBlEm
No Power to pump or
vac motor
Electrical
Electrical burning smell
No/Weak vacuum
Vacuum System
Moisture from exhaust
No air flow
Moisture from exhaust
Blow Dry System
Suction, not blow action
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4.0 Troubleshooting and Upkeep

PossIBlE causE solutIon
Machine not plugged in Plug machine in
Switch not "on" Check switches for "on"
GFCI tripped Test and reset GFCI
Building circuit overloaded Check and reset circuit
Switch wires loose Disconnect power and check for
loose wire
Connections loose Disconnect power and check for
loose wire under panel
Vac motor brushes worn Remove vac motor and repair
Vac motor hung up Release pressure on hose and jog
vac switch, or replace
Pump motor hung up Release pressure on hose and jog
pump switch, or replace
Vac tank full Empty vac tank
Squeegee blades or wheels Replace wheels or blades and check
worn periodically
Float shutoff screen dirty Spray off float screen to clean
Float ball stuck Tap float and release/clean
Damaged hose Cut and repair/replace
Dump hose plug missing Contact dealer and replace
Access lid not right Tighten lid hand tight
Vacuum hose plugged Flush hose to remove debris
Too much liquid in vac hose Allow air in when vacuuming
Vac hose still wrapped Unwrap vac hose fully
Exhaust plugged Remove HEPA filter and clean
Leak in vac tank If repairable, clean and dry affected
area and seal with silicone
HEPA filter clogged Remove HEPA filter and clean
Vac tank full Dump vac tank
Float shutoff missing Replace
Excessive foam in vac tank Use defoamer
Hose disconnected Reconnect hose
Water in blow hose Dry blow line
Vacuum hose connected to Reconnect to vac motor exhaust
vac tank hose
Customer/Technical Support |
4.2 t
RouBleshooting
cautIon:
arEa
High Pressure
System
Chemical
Injection System
1-800-287-1136 ©2018 Kaivac, Inc. All Rights Reserved
always unplug machine before lifting electric cover assembly.
ProBlEm PossIBlE causE
Out of water
Gun nozzle plugged
Air in pump (vapor lock)
Gun orifice missing
Water tank filter plugged
In-line bowl filter plugged
Bowl filter lid loose
No water from
Pressure hose damaged
pump or low
Quick disconnect leaking
pressure
Injector plugged
Pulse hose damaged
Regulator failed
Hose kinked
Seals in pump need
replaced
Bad fan pattern Debris in nozzle
or pinpoint
pattern on gun
Orifice damaged
Out of chemical
Safety cap not secure
Chemical valve "off"
Safety cap plugged
Spray gun in wrong mode
Metering tip plugged
No chemical
Injector plugged
flow
Air entering system
Injector installed
backwards
Kink in chemical line
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4.0 Troubleshooting and Upkeep
solutIon
Fill water tank
Remove orifice with Allen wrench and clean
Use power prime technique
Replace orifice
Clean tank and filter
Remove filter cover and clean
Gently tighten bowl cover
Repair or replace
Tighten or replace
Remove safety cap from chemical and blow
small amounts of compressed air into line
Repair or replace
Replace
Unkink and check for damage
Remove and replace seals
Remove orifice with Allen wrench and clean
Remove and replace
Refill chemical
Check safety cap/tighten
Check on/off valve
Replace cap
Make sure gun nozzle is pulled out away
from gun chemical mode
Check metering tip for clog
Remove safety cap from chemical and blow
small amounts of compressed air into line
Check for air entering system around
chemical lines or injector
If fluttering or pulsing sound can be heard
while spraying or when machine is running,
it is possible that your injector is in
backwards. Remove; reinstall.
Replace chemical line
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