
Troubleshooting
MPC Open XP
MPC Open XPIO48/816
CARRIER CORPORATION ©2019
Installation and Start-up Guide
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29
Error
Code...
Indicates...
Possible solutions
8
The controller is
formatting
The number 8 should display only during the short formatting period. If this
number displays continuously or flashes intermittently with another number,
try each of the following:
•
Turn the MPC Open XP's power off, then on.
•
Restore factory defaults. See
Restore factory defaults
(page 30).
•
Replace the MPC Open XP.
Other LED's show the status of certain functions.
If this LED is on...
Status is...
Power
The MPC Open XP has power.
BACnet Tx
The MPC Open XP is transmitting data from
BACnet Port
BACnet Rx
The MPC Open XP is receiving data from
BACnet Port
Archive Valid
The controller's memory backup is valid
Brownout
Incoming power is low
Battery low
The battery is low
Expander LED's
The LED's show the status of certain functions.
If this LED is on...
Status is...
Power
The MPC Open XP has power.
Rx
The MPC Open XP is receiving data from the network segment
Tx
The MPC Open XP is transmitting data over the network segment
UO#
The binary output is active
Run
Lights based on expander health. See table below
Error
Lights based on expander health. See table below
The
Run
and
Error
LED's indicate expander and network status.
If Run LED shows...
And Error LED shows...
Status is..
2 flashes per second
Off
Normal