SFAW
30
Festo – SFAW – 1602a English
9
Fault clearance
Malfunction / display
Possible cause
Remedy
Menu
Submenu
Settings cannot be edited;
[Lock] appears.
Security code activated.
Enter security code.
If the security code cannot be
found, restore factory settings
(
è
6 Operation).
[Er1]
[FAIL]
Sensor defective.
Replace sensor.
[Er2]
[ASIC]
<Value>
[Er08] / [FLOW]
Instability in the flow
Secure laminary flow.
[----
[Er08] / [FLOW]
Instability in the flow or flow
measuring range exceeded.
Comply with laminary flow and
flow measuring range.
<Value> / [OVER] [Er10] / [FLOW]
Flow measuring range
exceeded.
Comply with flow measuring
range.
<Value> /
[UN]dR]
[Er11] / [tEMP]
Temperature measurement
range of the operating
medium fallen below.
Comply with temperature
measurement range.
<Value> / [OVER] [Er12] / [tEMP]
Temperature measurement
range of the operating
medium exceeded.
Comply with temperature
measurement range.
<Value>
[Er17] / [SUPL]
Undervoltage
Apply permissible operating
voltage.
<Value>
[Er20] / [tEMP]
Device temperature error
Check operating temperature
and ambient temperature.
Check load conditions.
Check circuitry.
Replace sensor.
<Value> / [Pin4]
[Er21] / [SHRt]
Short circuit at the switching
output pin 4
Eliminate short circuit.
<Value> / [Pin2]
[Er22] / [SHRt]
Short circuit at the switching
output pin 2
Eliminate short circuit.
