General Monitoring Registers; Fault Conditions; Override Status And Reset - Honeywell TR80UWD Installation And Operating Manual

3.4 GENERAL MONITORING REGISTERS

3. 4. 1 Fault Conditions

Device Faults register indicates several fault conditions that may exist on the device.
Register
type
Input
The same information is displayed on the screen with the same error numbers. For exam-
ple, a display of "E02" indicates an external sensor fault.
Port 1 comms fault is activated when no comms is received from master for 60 secs.
External sensor fault (bit2) is determined with comparison against the below valid ranges:
• NTC sensors: -10...+60 °C
• 0-10V input: 0...11 V
• 2-10V input: 1.5...11 V

3. 4. 2 Override Status and Reset

Register
type
Input
Holding
TR80 - Installation and Operation Guide
Relative Absolute
Dir
Address Address
3 30004 R
Relative Absolute
Dir
Address Address
4 30005 R
1000 41001 R/W
Name Type
Bit 0: (reserved)
Bit 1: on-board sensor fault
Bit 2: external sensor fault
Bit 3: Port1 modbus loss of comms
Device Faults bitwise Bit 4: Port2 receive timeout
Bit 5: Setpoint min/max mismatch
Bit 6: Fan Speed min/max mismatch
Bit 7: Lights min/max mismatch
Bit 8: Blinds min/max mismatch
Name Type
Bit0: Setpoint changed from the
default
Bit1: Fan speed is overridden (not
auto)
Override
bitwise Bit2: HVAC mode overridden
status
Bit3: {reserved}
Bit4: Occupancy overridden
Bit5: DnD active
Bit6: MuR active
Bit0: Reset Setpoint
Bit1: Reset Fan Speed to AUTO
Bit2: Clear HVAC mode override
Bit3: Clear Occupancy Override except
for holiday
Bit4: Clear Occupancy Override
Override include holiday
bitwise
reset Bit5: Clear DnD
Bit6: Clear MuR
Bit7: Reset temperature unit to °C
Bit15: Restart wall module and clears
all user setting (Configuration setting
saved to flash memory remain
unchanged).
Default
Range
value
0
Default
Range
value
0
0
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