Oki BV1250, Technical Reference, Page: 37 / 198

BV1250 Technical Reference Maintenance and Troubleshooting
Revision 1.0 Page 21
7. Common Problems and Solutions
In this section some common problem conditions are described along with appropriate
corrective action. Each item begins with a statement of symptoms and is followed by an
explanation of the cause and actions that can be taken to resolve the difficulty.
IP Address Error (FXS, FXO and E&M/E&M-OD)
Symptom : After reboot the ALARM lamp is ON and ONLINE lamp is
flashing.
Cause : When a unit’s IP address, Gateway (Router) IP address and
Subnet Mask IP address do not belong to the same subnet, the
OFDD.VHO file is overwritten with the unit’s default settings
after issuing the OUP command.
Action : Follow the installation procedure to fully reconfigure the unit’s
OFDD.VHO file, correcting the unit’s addressing scheme. See
BV1250 Installation Guide, Section 5.7, for details.
Date Error (FXS, FXO and E&M/E&M-OD)
Symptom : After reboot the ALARM light is ON and ONLINE lamp ON.
Cause : The unit’s NiCD battery has become depleted and the unit’s time
and date have reverted to the default settings.
Action : Follow the installation procedure for setting the unit’s time and
date. See BV1250 Installation Guide, Section 5.11, for details.
No Dial Tone, BUSY lamp ON (E&M/E&M-OD)
Symptom : No dial tone is heard when grabbing the E&M trunk form the
PBX. The unit’s BUSY lamp is ON.
Cause : Voice cabling problem.
Action : Check to see that the voice cabling conforms to the information
provided in the installation instructions. See BV1250 Installation
Guide, Section 4.5, for details.