KMT STREAMLINE SL-IV PLUS, Руководство по эксплуатации и обслуживанию

Страница: 35 / 147

SECTION 5
TROUBLESHOOTING
Aug 2002 p. 5-2 49836315
*Motor Overload Relay
Tripped
Find reason for overload. Reset overload relay.
5.1.4 No Control Power (24vdc)
*Circuit Breaker Tripped Check input circuit breaker of power supply. Check
output circuit breaker (24vdc) of power supply.
*Power Supply Fault Check power supply input and output voltages.
*E-stop Button Depressed Pull out E-stop button. Check all remote E-stop
pushbuttons
*Control Power ON Button Check for voltage through switch when button is
pushed.
*MCR Relay Not Energized Check to see if coil is pulling in on the master control
relay (MCR)
*MCR Contact Set Failure Check to see if contact sets on MCR are changing state
when MCR is energized.
5.1.5 Flashing Light, Message On Operator’s Console
*Overstroke Check for HP piping leaks.
Check for HP seal leak.
Check air pressure.
Check booster pump pressure.
Check for HP check valve leaks.
Check for HP valve leaks.
Check for sufficient water supply
Check for dump valve closure or seal leakage.
Check orifice condition, and proper diameter.
Oil Temp Verify hydraulic oil tank temperature is above 62
0
C
(144
0
F). Check output pressure of oil recirculation
pump. Check cooling water flow to heat exchanger.
Adjust water modulating valve.
Oil Level Check hydraulic oil level on the reservoir sight glass.
Check for and correct hydraulic oil leak, add oil to
tank. If reservoir is full, check oil level switch.
Booster Pump Hot Check if booster pump temperature is above 53
0
C
(128
0
F).
Check cutting water flow to/from booster pump.
Check water bypass orifice. Check excessive time in
deadheaded condition. Check booster pump
temperature switch.