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O
'
M
peratOr
s
anual
problem
Low water Pressure
No Chemical Flow
Pilot will not light
Burner will not fire
Pilot lights, but burner will not fire
Burner fires, but goes out
Discharge water temperature
too high
Discharge water temperature not
reaching maximum temp setting.
Burner continues to fire even
when water not being sprayed
Pressure Relief Valve Leaks
Pump Motor Not Running
Pump Noisy
water In Oil
water Dripping/Pump
Oil Dripping
Fluctuating Pressure
Pump Head Overheating
RAMTEQ
®
14275 northwest freeway
troubleshooting
Insufficient water source
Old or incorrect nozzle
Plumbing or hose leak
Obstruction in spray nozzle
Chemical valve open
Unloader valve worn
Pump valves dir ty or worn
Detergent valve closed
Low detergent level
Chemical screen dir ty
No fuel
Burner switch turned off
Thermostat set too low
Defective pressure switch
Trigger not pulled
Gas valve turned off
No voltage to valve
Pilot orifice plugged
Defective ignition module
Defective transformer
Defective thermostat
Faulty rocker switch
Igniter not working
Check for 24v between main valve and pilot valve
Check for continuity between ignition cable and ground wire
Faulty ignition module
Excess draft
Faulty thermostat
water restriction
Incoming gas pressure too high
worn spray nozzle
Gas pressure too low
Draft under burner manifold
Faulty pressure switch
Main gas valve stuck open
Nozzle is dir ty
Defective relief valve
Unloader adjusted incorrectly
Restriction on discharge hose
Scale restricting flow in coil
Pump motor switch off
GFCI tripped
No voltage to machine
Clogged water nozzle
Insufficient voltage/amperage
Air in suction line
Pump valves dir ty
Check valve springs worn
Low pump oil
Pump bearings are worn
Incoming water too hot
High humidity environment
Oil seal worn
Plunger packing worn
Plunger packing is worn
Plunger retainer oil ring worn
Cracked ceramics
Oil seal worn
Cracked manifold
Unloader not adjusted
Valves worn
Dir t or blockage in valves
Pump sucking air
worn plunger packing
Extended period in bypass
houston, tX 77040
cause
phone: 713.983.6000
action
Check hose size/water source
Replace nozzle
Tighten, repair or replace leak
Clean or replace nozzle
Close valve or submerge hose
Replace unloader
Clean or replace packing/valves
Open detergent valve
Fill detergent container
Clean detergent screen
Ensure proper gas flow
Turn burner switch on
Reset thermostat
Replace pressure switch
Burner should fire only when trigger pulled
Turn gas valve on
Check voltage between valves
Remove orifice & clean
Check voltage to & through module.
Replace transformer
Replace thermostat
Replace switch
Test for spark and continuity between
ignition wire and ground
WARNING: High voltage ignitor can cause electrical shock.
If no voltage at the valve, replace module
If voltage, replace valve
Assure good ground
Replace module
Protect from windy conditions
Replace thermostay
Clean or replace spray nozzle
Descale coil
Check and lower gas pressure
Replace spray nozzle with proper size
Increase gas pressure
Prevent down draft with installation
ofdraft diver ter
Replace pressure switch.
Replace main gas valve.
Clean or replace nozzle
Replace relief valve
Adjust unloader valve
Remove nozzle and flush line
Clean coil
Turn on pump motor switch
Reset and test GFCI
Check power source
Clean water nozzle
Use proper drop cord
Check inlet water fittings
Clean/replace pump valves
Replace check valves
Add SEA 30wt. non-detergent
Replace/rebuild pump
Reduce temperature/ambient
Change oil frequently
Check and replace oil seal
Check and replace packing
Install new packing kit
Replace oil ring
Replace ceramics
Check and replace oil seals
Replace manifold
Adjust to specifications
Replace with valve kit
Clean or replace valve
Check water/detergent supply
Replace packing kit
Pull trigger gun for water flow
faX: 713.983.6405
300-00010-03 8/05
p
1
age
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