TM 10-4610-232-12
Table 3-1. Operator Troubleshooting Guide (Continued).
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Step 2.
Notify unit maintenance.
3. Meter does not respond when a sample is set in well.
Step 1.
Check battery.
If battery low light is on, recharge battery.
Step 2.
Notify unit maintenance.
4. Battery low light does not go out when using charge adapter.
Step 1.
Check 120 VAC outlet.
Use a different outlet or plug something else into outlet to check if it is working.
Step 2.
Notify unit maintenance.
FEED FLOWMETER.
1. Feed flowmeter does not show any flow.
Step 1.
Ensure that cleaning bypass valve (V13) is closed.
Step 2.
Check feed flow sensor to ensure wheel spins freely.
Step 3.
Notify unit maintenance,
2. Feed flowmeter shows less than 100 gpm when high pressure pump is running.
Step 1.
Check generator output.
Adjust voltage to 440V and frequency to 60 cps.
Step 2.
Check product and waste stream flow rates.
Product gpm and waste gpm added together equal feed gpm.
NOTE
The auxiliary flowmeter can be attached to the product hose and waste hose and the
readings added together equal the feed flow gpm.
Step 3.
Notify unit maintenance.
3. Feed flowmeter inaccurate.
Step 1.
Notify unit maintenance
4. Feed flowmeter shows an initial flow when pumps are started but drops off to no flow before starting the high pressure
pump.
Step 1.
Check pressure control valve.
Open valve.
Step 2.
Check waste hoses.
Remove dust cap from hose and remove any kinks in hose. Make sure water is flowing out of waste
hose.
PRODUCT FLOWMETER.
1. Product flowmeter shows no flow or is inaccurate.
Step 1.
Check product relief valve.
If it is leaking notify unit maintenance.
Step 2.
Use the portable flowmeter (para. 2-35 b).
Step 3.
Check product feed flow sensor to ensure wheel spins freely.
Step 4.
Notify unit maintenance.
Change 12 3-19
