Troubleshooting Common Equipment Problems in the Field

Even the most reliable pressure washing or soft washing rig will run into problems from time to
time. And when you’re in the middle of a job, you don’t have the luxury of heading back to the
shop. That’s why every professional cleaner should know how to identify and fix common
field issues quickly.

Here’s a guide to the most common equipment problems you’ll face in the field—and how to
troubleshoot them effectively.

Symptoms:
● Weak spray from wand
● Uneven pressure
● No pressure at all

 

Possible Causes and Fixes:
● Clogged nozzle: Shut off machine, clean with tip cleaner or replace
● Air in the system: Purge air by running water through the system with the trigger open
● Worn or damaged unloader valve: Replace or adjust pressure settings
● Leaky hose or fittings: Tighten or replace O-rings and fittings

 

Recommendation: Always carry extra nozzles and quick connects in your truck or trailer.

Symptoms:

● Sprayer pulsing

● Inconsistent water flow

● Loud noise from pump Possible Causes and

 

Fixes:

● Insufficient water supply: Ensure adequate flow from tank or spigot

● Dirty water filter or inlet screen: Remove and clean thoroughly

● Air leak in suction hose: Check fittings and hose for cracks or loose clamps

● Collapsed or kinked hose: Inspect and replace if needed

Symptoms:

● Pump runs but no chemical reaches wand

● Flow is water-only

 

Possible Causes and Fixes:

● Clogged intake line or proportioner port: Flush lines and clean chemical ports

● Pinched or cracked hose: Inspect all feed lines

● Check valve stuck closed: Remove and clean or replace check valve

● Empty SH or soap tank: Double-check tank levels

 

Note: Mark your SH and soap tanks clearly and use visible tubing so you can spot flow easily

Symptoms:

● Hose won’t reel in smoothly

● Binding or friction during operation

 

Possible Causes and Fixes:

● Hose tension too high: Adjust spring tension (for spring-loaded reels)

● Dirt or debris in reel axle: Clean and lubricate moving parts

● Hose worn or warped: Replace damaged sections

● Hose not layered properly: Rewind with care—use a guide or reel assistant

Symptoms:

● Machine won’t start (electric or 12V pump)

● Clicks but doesn’t crank

 

Possible Causes and Fixes:

● Battery terminals corroded: Clean and reconnect

● Loose ground connection: Inspect wiring and secure terminals

● Battery drained: Recharge or replace with backup battery

● Blown fuse or faulty switch: Inspect with a multimeter

 

Tip: Carry a backup deep cycle battery or portable charger for longer jobs.

Symptoms:

● Discoloration or pitting on fittings or reels

● Noticeable chemical smell or puddles

 

Possible Causes and Fixes:

● Improper rinse down after use: Always rinse entire system at end of day

● Cracked fittings or seals: Replace with chemical-rated replacements (poly or stainless steel)

● Leaky ball valve or injector: Rebuild or replace component

Symptoms:

● No ignition when pulling cord or turning key

● Weak or no crank

 

Possible Causes and Fixes:

● Old fuel: Replace with fresh gas

● Clogged carburetor: Clean or replace if gummed up

● Low oil level (auto shut-off engaged): Check and refill

● Spark plug issue: Clean or replace