Discontinued – Max Machinery 710 Wall Mount User Manual
Page 7

7
Trouble Shooting Chart
Problem
Cause
Remedy
Pumps Not Running
*Blown fuse(s)
*Electrical short
*Electrical open
*Dead battery
*String on kill switch broken
*Replace fuse(s)
*Isolate and repair
*Isolate and repair
*Charge or replace
*Check string and switch
Rate Indicator Or Totalizer Does
Not Indicate Flow
*No Fuel
*Filter plugged
*Crimped Hose
*Pump(s) not running
*Flow meter broken
*Transmitter broken
*Level Controller stuck shut
*Start switch defective
*Supply pressure regulator not set
*Pump switch set incorrectly.
*Fill Tank
*Clear filter
*Uncrimp hose
*Blown fuse needs replacing
Pump defective - replace
Loose Electrical Connection
Low Battery
*Check Flow meter
*Check Transmitter
*Repair
*Repair or replace
*Set Regulator
*Set correctly
Temperature Reading Is
Incorrect Or Appears Incorrect
*Calibration is wrong
*RTD is open
*Instrument cable open *Loose
connection *Programming not set
*A hose is pinched
*“To Tank” is not connected
*Check Programming
*Check wiring, replace RTD
*Check, repair or replace
*Check all connections
*Correct program choices
*Check hoses and uncrimp
*Connect line or monitor
temperature rise
Return Pressure Greater Than
Zero
*Level control, heat
exchanger, vent line,
pump, check valve or
piping blocked
*Find and clear blockage
Supply Pressure Gauge Reads
High
*Restriction in line to
engine or from engine
*Defective Gauge
*Clear restriction
*Replace gauge
Venting of Fuel
*Kinked line
*Level controller struck open
*Vapor eliminator stuck open
*Remove kink
*Float and/or seat need alignment
*Float and/or seat need alignment
Discontinued