WPT-DB Installation Manual
Document No. 910-00014-01, Rev. 04
Page 17 of 20
Troubleshooting
The WPT-DB is designed with diagnostic functions to detect and diagnose faults.
Code Cause
Possible Solution
dy
Indicates that the WPT-DB
is performing a discovery
operation and it should not
be disturbed.
This indication disappears automatically
after a few seconds.
dt
Indicates that the WPT-DB
is performing a diagnostic
operation.
This indication disappears automatically
after a few seconds.
Fd
Indicates that the WPT-DB
is performing a forced
discovery operation.
This indication disappears automatically
after a few seconds.
UL
Indicates that the buttons
are unlocked by the user.
This indication disappears automatically
after a few seconds.
LC
Indicates that the buttons
are locked.
This indication disappears automatically
after a few seconds.
E0
Discovery error – Not able
to connect to nearest
repeater or HUSB
Retry discovery by pressing any button.
Check if repeater or HUSB is working.
Try resetting the repeater.
Try with a different position of the
repeater/ HUSB if feasible.
E1
Time synchronization error
– Not able to synchronize
the WPT-DB time with the
wireless network
If this error occurs after successful
commissioning of the system, the WPT-
DB will recover from this error within a
couple of refresh cycles.
E2
Radio error – Not able to
send/receive data
Restart the unit with removing and
inserting the battery. If the error
continues, the device requires
replacement. Contact the distributor.
E4
Optical Sensor Error – Not
able to properly position
motor/cam
This error is an indication of a defective
device. The unit should be replaced.
