50
6100 Series Manual
Fault Descriptions
Fault
Description
Cause
CONTROL VALVE
The control valve circuit is not
functioning properly
-I.S. barrier board fuse is blown
-Power supply to control unit is too
low
INPUT 1-4
Input 1 ,2,3, or 4 is not functioning
properly
-I.S. barrier for inputs has blown fuse
-EPCU defective
FLOW READING
Flow reading from EPV-6100 vent is
corrupted or not available
-Flow readings are outside the range
of the EPV-6100 vent being used
CONFIG STORAGE
Memory location corrupted
-EPCU defective
6100-LPP UDPATE
6100-LPP is not communicating
-No LPP is connected, or LPP is
misconnected
CRC MISMATCH
Both of the EPCU processors
instruction set are not in sync
-EPCU is defective
EPV-6100 FLOW UPDATE
EPV-6100 vent is getting power but
communication is not correct
-One or more of the connections is
not correct
-EPV-6100 is defective
TEMPERATURE UPDATE
The Temp Hub/Temp sensor reading
is out of specification or not reading
-Connections could be incorrect
-Not set up properly in the menu
structure of the EPCU
INTERNAL RAM
EPCU memory fault
-EPCU is defective
9.5V
Power to the I.S. comm bus for vent,
UIC, Temp Hub is too low for proper
operation
-Defective EPCU
-I.S. barrier board fuse is blown
TEMP INPUT 1
Temperature Input 1 is active
-The temperature of the Temp Hub
or Temp sensor is outside the limits
TEMP INPUT 2
Temperature Input 2 is active
-The temperature of the Temp Hub
or Temp sensor is outside the limits
ENCLOSURE POWER
RELAY
Monitor circuit detects relay
malfunctioned
-One of the contacts are welded
shut
9 Dismantling and Decommissioning
Abide by all local and any other code requirements for disposing of electronic equipment. When disposing of
any component of the 6100 system, certification labels or printing shall be marked VOID across each label or
printing.
Alarm and Fault Conditions
