P/N 016-0171-584 Rev. D 67
TROUBLESHOOTING
523154
.16 Target flow too high
1. Reduce the equipment speed.
2. Reduce the target application rate.
.18 Target flow too high
1. Increase the equipment speed.
2. Increase the target application rate.
523160
.1 Chemical tank is empty 1. Refill product and continue field applications.
.17 Low tank volume remaining 1. Refill product to continue field applications.
523167 .2
Injection pressure sensor
disconnected
1. Verify good connection to the pressure sensor
on the pump.
2. Verify the sensor is getting supply voltage.
3. Verify the signal voltage is getting back tot he
pump ECU.
523175 .18 Low pump efficiency
Check for:
1. Fouled pump check valves.
2. Air leaks on the injection pump inlet
plumbing.
3. Air entrained in the chemical.
4. Plugged inlet strainer.
5. Chemical too think to flow through the pump
6. Calculate the volume per minute for the
application and verify the rate is within the
range of the injection pump.
523176
.16 Off rate high
1. Check calibration for correct data entry.
2. Calculate the volume per minute for the
application and verify the rate is within the
range of the injection pump.
.18 Off rate low
Check for:
1. Fouled pump check valves.
2. Air leaks on the injection pump inlet
plumbing.
3. Air entrained in the chemical.
4. Plugged inlet strainer.
5. Chemical too think to flow through the pump.
6. Calculate the volume per minute for the
application and verify the rate is within the
range of the injection pump.
523188 .16 DI high vacuum error
1. Disconnect the vacuum switch from the
product cable. Test for continuity between
pins A and C. If the OHM meter reads a short,
the switch is good. If it reads open, the
vacuum switch is bad.
2. Check for obstructions from the inlet of the
pump going back to the chemical tank. There
may be debris in the inlet, a plugged filter/
strainer, hand value turned the wrong
direction or obstruction in the outlet of the
chemical tank.
Code ID Description Recommended Actions
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