Enerpac Z-Class Instruction Sheet page 7

6.5 L "Language" Menu
(See Screen 12) This screen allows
the operator to change the LCD display
language. When a language is shown on
the LCD, press the Down or Up Arrow
buttons to select a different language. Save
setting and step forward by pressing the
Menu button. Refer to QRC step #10.
6.5 M "Diagnose" Menu
(See Screen 13) This screen allows
the operator to troubleshoot various
pendant problems. If the number "1"
does not appear when a pendant button
is pushed, problems with the pendant
button switches and/or pendant cord
may be present (See Screens 14, 15 and
16). Use Local mode to operate pump
until problem can be corrected. Refer to
QRC step #11.
Pendant on/off button
Pendant advance button
Pendant retract button
(not used)
(not used)
Diagnose screen
with pendant
on/off button
pushed.
Diagnose screen
with pendant
advance button
pushed .
Diagnose screen
with pendant
retract button
pushed .
Screen 12
SET ENGLISH
Screen 13
DIAGNOSE
00001
Screen 14
DIAGNOSE
01001
PSI MPa
BAR Nm
Press
Ft-lb
Screen 15
DIAGNOSE
10001
PSI MPa
BAR Nm
Press
Ft-lb
Screen 16
DIAGNOSE
00101
PSI MPa
BAR Nm
Press
Ft-lb
6.6 LCD Hidden Menus
6.6 A "Calibration" Menu
(See Screen 17) This screen allows the
operator to adjust the pressure value
shown on the LCD to match a master
gauge.
To access this menu, go to the "UNITS"
menu.
Then, press and hold the shroud
Motor on/off button in for 7 seconds. ENTRY CODE will appear.
Then, press and hold both the Down Arrow and Up Arrow button
for 7 seconds. See Table 3, "Z-Class Pressure Transducer
Calibration" for adjustment steps.
PSI MPa
BAR Nm
6.7 LCD Fault Conditions
Ft-lb
Any fault condition will shut down the pump and prevent it from
starting.
6.7 A Clearing a Fault Condition from the LCD
After the fault causing problem has been corrected, clear the fault
message from the LCD by disconnecting electrical power from
the pump. Wait until all characters clear the LCD (~ 10 seconds),
then reconnect power.
6.7 B Power Failure
Display: "POWER OFF"
(See Screen 18) The Power Off fault is
displayed when the main power supply
drops to 65% or less of nominal voltage.
The pump will automatically shut-off
the valve solenoid and the motor, and
display "Power Off" on the LCD. Note:
Power Off is also displayed for several
seconds after the unit is disconnected
from electrical power.
6.7 C Button Fault
Display: "BUTTON FAULT"
(See Screen 19) The Button Fault
message is displayed
microcontroller detects that any button
is pressed during the boot sequence
or if the shroud Motor on/off button is
pressed for more than 3 seconds.
6.7 D Motor Overload
Display: "MTR OVLD" and
"Motor Overload"
(See Screen 20) The Motor Overload
fault is displayed when the electric
current draw exceeds the pre-set limit
of the pump's internal circuit breaker.
The circuit breaker will automatically
reset in about 2 to 3 minutes after the
condition has been corrected. However,
before the pump can be restarted, the
operator must clear the fault by disconnecting and reconnecting
electrical power as described in section 5.7 A.
7
Screen 17
CAL PT A
SET
0
Screen 18
POWER
OFF
Screen 19
when the
BUTTON
FAULT
Screen 20
MTR OVLD
MOTOR
OVERLOAD
PSI