SANDPIPER RHDF2 Hazardous Duty - Manual (Page 13)

rhdf2dl1sm_haz duty-rev0614 Model RHDF2 Hazardous Duty Page 11
AirVantage Troubleshooting Continued
AirVantage RESETS AND ENTERS LEARN MODE TOO FREQUENTLY
What to Check:
• Check for excessive varying environmental pumping conditions
(changing head or suction)
• Check ice buildup in exhaust area
• Inspect sleeve and spool set for damage
• Make sure patch cable plug is connected and locked
Corrective Action:
• Consult Factory After Sales Support Team
PUMP STALLS, RESETS, LEARNS, SEEKS AND REPEATS
What to Check:
• Make sure patch cable plug is connected and locked
• Check ice buildup in exhaust area
Corrective Action:
• Consult Factory After Sales Support Team
PUMP MOVES OUT OF STEADY STATE AND NEVER
ATTEMPTS TO RELEARN (LED ON)
What to Check:
• Make sure patch cable plug is connected and locked
• Cycle the power off/on to the control module
Corrective Action:
• Consult Factory After Sales Support Team
• Cycle the power switch on the control module off/on
WHAT TO DO IN THE EVENT OF A DIAPHRAGM FAILURE
If a diaphragm failure has been detected in pumps fitted with AirVantage,
see page 5 for shut-down procedure.
What to Check:
• Has product migrated to the sensor?
Corrective Action:
• If the sensor has been submerged in product, the sensor will need to be
replaced. Consult the AirVantage servicing section of the manual for detailed instructions.
What to Check:
• Has product contaminated the check valve cartridge?
Correct Action:
• If a significant amount of product has made it into the check valve assembly, then the unit will need to be dis-
assembled for inspection. If the check valve assembly is damaged, then it will need to be replaced. Consult
parts list for information.
SEAL, O-RING
(Purchased Separately)
VALVE, POPPET
VALVE, SOLENOID
CAPSCREW, HEX SOC HD, 10-32 X .50
COVER
SEAL, O-RING
SEAL, O-RING
MUFFLER
SEAL, O-RING
ASSEMBLY, POWER GENERATOR
CAPSCREW, HEX SOC HD, 10-32 X 2.25
CAPSCREW, HEX SOC HD, 10-32 X 1.00
CAPSCREW, HEX SOC HD, 10-32 X .50
O-RING
O-RING
CONTROL MODULE
REGULATOR
Optional 1/4" NPT Pipe Plug (P/N 618.011.330)
Must be installed if performing direct spray
wash-down of pump