Staged Gas Heat Fault - Trane Symbio 700 Controller Application Manual

Troubleshooting
Diagnostic: ERM Supply Fan
Supply Fan 1 Communication
Supply Fan 1 Communication
Diagnostic: ERM Fault Supply
Diagnostic: ERM Fault Supply

Staged Gas Heat Fault

The following diagnostics are derived from data monitoring via Modbus™ ignition controller, or through a
combination of data monitoring and additional failure criteria.
48
Failure
The Rectifier thermocouple
has reached a too-high
temperature. (Motor Manual
Power Mod Overheated - 2
Reset)
If continual loss of
communication between the
controller and the Supply Fan
Status is "Not
1 ERM has occurred for a 30-
Communicating"
second period, this failure will
be detected and the controller
will take action.
If continual loss of
communication between the
controller and the Supply Fan
Status is "Not
2 ERM has occurred for a 30-
Communicating"
second period, this failure will
be detected and the controller
will take action.
ERM Fault. Numerous drive
faults can cause this general
fault. Reference the EBM-
PAPST Installation and
Fan - 1
Operating manual for a list of
fault codes and descriptions.
(Clears on Reset)
ERM Fault. Numerous drive
faults can cause this general
fault. Reference the EBM-
PAPST Installation and
Fan - 2
Operating manual for a list of
fault codes and descriptions.
(Clears on Reset)
Fault
Diagnostic: Heat Failure
•
Diagnostic: IGN1 Module
Lockout •
Diagnostic: IGN1 Heating
Gas Heat Ignition Module via
High Temp Limit Open
Diagnostic: IGN1 Flame
Gas Heat Ignition Module via
Rollout Switch Open
Diagnostic: IGN1 Inducer
Gas Heat Ignition Module via
Proving Switch Fail Closed
Diagnostic: IGN1 Inducer
Gas Heat Ignition Module via
Proving Switch Fail Open
Diagnostic: IGN1 No Flame
Gas Heat Ignition Module via
Sensed on Ignition
Symbio 700 Response
Failure Detection
•
•
All unit functions will be shut
down
All unit functions will be shut
down
•
•
•
•
Fault Detection
Active when certain
diagnostics below.
Monitored directly from
•
Modbus.
Active when any lockout
•
is active on the IGN 1
controller
Status Only (Ignition Module Lockout)
Modbus
Status Only (Ignition Module Lockout)
Modbus
Status Only (Ignition Module Lockout)
Modbus
Status Only (Ignition Module Lockout)
Modbus
Status Only (Ignition Module Lockout)
Modbus
Diagnostic: ERM Supply
Fan Power Mod
Overheated – 2 will be
set to "Active"
All unit functions will be
shut down immediately
Diagnostic: ERM Fault
Supply Fan – 1 will be
set to "Active"
All unit functions will be
shut down
Diagnostic: ERM Fault
Supply Fan – 1 will be
set to "Active"
All unit functions will be
shut down
Symbio 700 Response
Status Only
All heating operation is terminated/
disabled
Diagnostic: Heat Failure set to Active
Response Type
Auto Reset
Auto Reset
Auto Reset
Auto Reset
Auto Reset
Response
Type
Auto Reset
Auto Reset
Auto Reset
Auto Reset
Auto Reset
Auto Reset
Auto Reset
ACC-APG002A-EN