Zero point Adjustment
Use a wrench on the aluminum die-casting. Do not hold the plastic case when tightening.
Apply sealing tape at the male screw area（R2 type）to protect against air leaks.
■If the following error messages are displayed, follow the procedures in the table.
Others
Piping
Non-Display Mode
〈Non-Display［Temporary］Mode〉
Pressing the and buttons simultaneously in the Operations Mode
displays on the screen. One second later this change to than
the and buttons are released.（If the pressure port is opened to the
atmosphere.）
M P a
＋／−
SW1
SW2
C O PA L E L E C T R O N I C S
H
Display and problem
Cause
Solution
Output current is exceeding 100mA.
Pressure was applied at the zero point
adjustment.
Failure of the internal circuit.
Pressure values exceed the display range. Normal state
Please contact us. Please use a regulated DC power
supply and measures for the power line noise.
Press M button and return the applied pressure to the
atmospheric pressure and try zero-point adjustment again.
Turn off the power and verify the load
connected switch output 1 and 2.
E-1
E-2
999Flashing
Pressure values exceed the rated pressure
range.（110%FS）
Normal state
Flashing of the
pressure valie
Non-display mode
Normal state（See Non-display mode.）
Black out of the
display
Key protection mode
Normal state（See Key protection mode.）
Disable the key
operation
E-3，
E-4
・When the keys are not operated for more than 10 seconds during Operation Mode, the system will
automatically select Non-Display［Temporary］Mode and the display will turn off.
・Decimal point LED shown in the figure below will blink during Non-Display［Temporary］Mode
・Using the EEPROM, the PG-30/35 series can retain preset valies even if the power is turned off.
・If an error message is detected, the display will comeback and show the error message.
・You can change any functions during Non-Display［Temporary］Mode
7
Troubleshooting
Note:You have to adjust Zero under open air condition.
Otherwise you can be seen E‐2 error as you adjusted Zero with residual
pressure.
