TF7039GB_A_NOT
Page 31 of 48
6.2.5.
TROUBLESHOOTING
Problem
Possible cause
Suggested solution
“Network” LED is not
illuminated.
The unit is not powered.
Switch on repair switch. Check
fuse F1.
“OFF” on the display
Terminal X3
– “Enable” input not
bridged or fuse F2 defective.
Insert bridge. Check fuse F2.
“E01” on the display
Set analogue input activated, set
signal < 4 mA
Deactivate “E” S1.7 if no ext. set
signal wanted
“E02” on the display
Current pressure > 10% above set
pressure
Check pressure measuring points
and hoses, calibrate pressure
regulator
“E03” on the display
Current pressure < 10% below set
pressure
Check pressure measuring points,
hoses and fan, calibrate pressure
regulator
“E04” on the display
Incorrect speed feedback
Check fan cable RPM to X1,
deactivate Hall signal input S3.1 to
S3.4
“E05” on the display
Faulty pressure sensor signal
Contact the manufacturer
“E06” on the display,
“999” on the display
Faulty pressure sensor signal
Check pressure measuring points
and hoses; contact the
manufacturer
“CAL/Err” or “rd/Err”
on the display
Incorrect calibration
Restart calibration, check pressure
measuring points and hoses,
contact the manufacturer
Setback mode does not
work.
“Reduc. Mode” input not bridged or
fuse F2 faulty
Check bridge to timer. Check fuse
F2
6.2.6.
OPTIONS
A
Test contacts
B
DIP switch S3
“Hall sensors”
C
Terminal X4 “Error message”
D
Terminal X3 “ON”, “Setback”
E
Terminal X1 “External”
Calibration