Other functions – Sierra Monitor Corporation PF2A7H User Manual

Page 11

Error Display and Troubleshooting

This function displays error location and nature. When a problem

or an error occurs, take the following actions.

Flow display check

Check integrated flow when instantaneous flow is selected

Integrated flow is displayed only during

button is pressed.

(Returns to instantaneous flow when releasing

button.)

The unit of integrated flow is changed as

if press

button while pressing

button.

Check instantaneous flow when integrated flow is selected

Instantaneous flow is displayed only during

button is pressed.

(Returns to integrated flow when releasing

button.)

Switching the unit of integrated flow display

Set the integrated flow display unit while integrated flow is
selected.

1. Unit flickers by pressing

button.

2. The unit is changed as

button.

3. Unit stops flickering when deciding the unit by

button.

The unit stops flickering unless pressing button for 5 sec.,

and complete switching the flow display unit. Integrated flow
display unit is not switched.

Clear of Integrated Value

Integrated value is cleared by pressing

button pressing

button for 5sec.

Other Functions

Initialize the Set Value

All the setting can be initialized to values at shipment.

Press

button and

button for longer than 2 sec. during initial

setting mode

F_0 . Press

button after

F_00 appears.

Setting is not initialized but switched to F_0 if pressing
button. See below for setting at shipment.

Display setting : Instantaneous flow ( d_1)
Unit setting : /min ( U_1)
Switch spec. : Instantaneous switch output ( oU1_0 )
Output mode : Reverse output ( oU1_n )
Flow setting value : Instantaneous flow Intermediate value of

full-range / Integrated flow 0

Key lock mode : Unlocked ( unL)
Flow conversion condition : 20

, 101.3kPa,

65%RH [ ANR] ( Anr)

To reset display of Error 1 and 3, press

and

button simultaneously.

LED display

Error Nature

Troubleshooting

A current exceeding 80mA
is flowing to OUT1.

Turn the power off. Check
the load and wiring of OUT1.

Set data has been changed
due to some reason.

Reset all the data.

A fluid flow is higher than
rated rate.

Reduce the flow down to
the rated rate.