CoilJet® CJ-200E Support

CJ-200E_SpeedClean
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CoilJet CJ-200E Support & Troubleshooting

Thanks for visiting the CoilJet CJ-200E support section. Here you will find answers to the most common support questions our customers have. Utilize the tabs to find the appropriate selection for your needs.

The unit was turned on while in garden hose mode and the garden hose was not connected to the machine. Hook up a garden hose to prime that side first. Then re-prime the tank side.
Thanks for the contributed question. This issue is general seen for a few reasons.

  • The coil cleaning solution tank is empty, and therefore not mixing any cleaner into the water spray. Check the tank to make sure it’s full.
  • There is a blockage in the mixing tank. Check inside the tank to make sure there is nothing caught in the drain area. You can also remove the base to see of an obstruction exists in the drain lines.
  • The mixing valve stem has been stripped. This effectively renders the mixing valve “stuck” in a single position – in this case at zero. Contact us for support and replacement of the valve.
  • A caustic coil cleaner was used and the acid has eaten at the mixing valve. Contact us for support and replacement of the valve.

As a reminder, the CoilJet is designed for optimal use with alkaline coil cleaners. Caustic coils cleaners will degrade internal parts. If a caustic coil cleaner is required for use, make sure to remove all the cleaner after use and thoroughly flush the unit. Fill the cleaner tank with water, open the valve and empty the tank of water. If you have used a coil cleaner other than SpeedyFoam in your CoilJet please follow these instructions immediately after use.

There may be a variety of causes that may be in play here from a cracked tank to a stripped or faulty chemical mixing valve. Please contact us at 888-700-3540.
No, the pump should come to pressure within seconds. Generally, this means there’s a clog in the system or pump issue. Please call us at 888-700-3540 to walk through some diagnostics.
There are a few reasons this may be happening. We recommend taking the following steps to identify any potential cause.

Check for blown fuse. Your CoilJet includes a 15amp fuse located in the base of the unit. Under special conditions, this fuse may blow to protect other components. To locate the fuse remove the six screws on the bottom cover of the unit. Locate the yellow fuse holder and check its condition. Replace the fuse with a standard in-line 15 amp fuse.

Check for loose or damaged wiring. In extreme cases, wiring can become loose or damaged, either through shock/vibration or accidental chemical spills. With the base cover still off, check for this condition. If you find loose or damaged wiring, please contact us.

Not without eventually causing damage to the pump. If a chemical of this type is used in the CoilJet it is important to flush the unit out with fresh water immediately afterward. We recommend using SpeedyFoam from SpeedClean, an acid-free coil cleaner delivers superior cleaning power without harmful effects to you and less harmful to the environment. Please refer to the CoilJet chemical compatibility chart in the downloads area of this support page for more information.
Use of a coil cleaners that contain caustic agents such as sodium or potassium hydroxide may cause components within the CoilJet to fail. These chemicals are highly caustic and tend to pit and eat away certain metallic components quickly. Most issues with caustic coil cleaners occur when these chemicals are left in the system for extended periods of time, however, they may occur quicker. SpeedClean always recommends the use of noncaustic and no acidic coil cleaners like our SpeedyFoam coil cleaner. They are better for the coils, safer for the operators and better for the environment. If you have used a coil cleaner other than SpeedyFoam in your CoilJet please follow these instructions immediately after use.
Our product is designed to be used with alkaline, non-acidic and non-caustic coil cleaners, as the product includes rubber and brass components. Any other use of chemical may void the warranty. Please refer to the chemical compatibility document here. However, we have heard of many customers using different cleaners successfully. Either way, we always recommend a complete flush of the system after using any kind of cleaner. If you have used a coil cleaner other than SpeedyFoam in your CoilJet please follow these instructions immediately after use.
The fuse should be replaced with a a 15A buss type fuse.
Click here, to review our CoilJet Troubleshooting guide first.

Nozzle worn
Replace nozzle

Nozzle clogged
Clean nozzle orifice

Water/chemical is low
Add water and/or chemical

Air sucked into system
Fill Tanks(s)

Air in pump (not properly primed)
Remove nozzle, prime pump

Vacuum lock (cap vent clogged)
Clean cap air vent

Water temp too high
Add cold water to reduce temp

Low battery
Charge or replace battery

High pressure system or pump hydraulic circuit not watertight
Check for leaks at spray gun and pump

Air in system
Re-prime the unit

Tank(s) Empty
Fill tank(s)

Battery too low to operate
Charge or replace battery

Battery wire(s) not connected
Check battery wires

Power switch off
Turn switch on

Thermal breaker tripped
Turn off, let unit cool

Problems with pump auto shut-off
Contact factory

Unit in disuse for extended time
Check battery for proper voltage and amperage as listed on battery. If battery is ok, diaphragm may have dried up. Fill unit and let sit for 48 hours. If this does not rectify issue, contact factory.

Pressure needs to be relieved
Squeeze trigger and relieve pressure

Battery needs replacement
Check that battery is producing proper output voltage and amperage listed on battery.

If, after attempting these troubleshooting tips, you continue to have problems, please contact us.

Every CoilJet comes with a 1 year parts and labor warranty.

This unit has been carefully tested and inspected at the factory and is warranted to be free from defects in material or workmanship. The company will, under this warranty, repair or replace any parts which prove, upon examination, to be defective. This warranty is F.O.B. factory and is valid for one year from date of purchase by original purchaser.

This warranty does not include unusual wear, abuse, damage resulting from accident, or unreasonable use of the portable HVAC coil cleaner, including using unapproved chemicals or detergents. Any repair made by others automatically voids this warranty. For repairs or warranty information DO NOT contact the place of purchase. Contact SpeedClean directly.