Komatsu H70051 Series Operation & Maintenance Manual page 190

EXPLANATION OF COMPONENTS
Display
t = TIMER
PA = PAUSE
c = COUNTER
PA = PAUSE
t = TIMER
CO = CONTACT
c = COUNTER
CO = CONTACT
C = Cycle
O = OFF
P = Pressure
Monitoring
OFF
Cycle Switch
Fault Low Level
Fault Cycle Switch
Operation Hour Meter
Fault Hour Meter
Block operation
3-124
Denotation
The control unit operates as a time
controlled contact maker (TIMER)
and is in the PAUSE state
Attention! Not used
This mode causes a malfunction.
The control unit operates as a time
controlled contact maker (TIMER)
and is in the pump running time
(CONTACT)
Attention! Not used
This mode causes a malfunction.
Display of beginning of menu
"Monitoring settings"
The monitoring functions PS and
CS are deactivated.
Cycle switch monitoring is activa-
ted.
The minimum level in the grease
tank has been reached.
No signal from cycle switch during
pump running time.
The subsequently displayed values are the operating hours of the con-
trol unit.
The values displayed in the following are the fault hours which are the
time while the vehicle or machine has been operated in the FAULT
mode.
Signal from cycle switch missing. Contrary to normal operation, the
control unit is still in the monitoring mode. If the fault continues to exist
for 3 pump running periods, a fault message is displayed.
Explanation
OPERATION
Control function
Part of lubrication cycle
Input and display value in "hours"
CONTACT = time during which
the pump is delivering
No system monitoring
The cycle switch is monitored for
the transmission of signals dur-
ing the pump running time (CON-
TACT).
The control unit is in the FAULT
mode. The sequence of opera-
tions is stopped.
The control unit is in the FAULT
mode. The sequence of opera-
tions is stopped.