Trane RTXC-XE Series Installation, Operation And Maintenance Manual page 72

72
Fault Code Fault Name
E15.01
External fault
E15.02
Communication
E16.01
fault
E19.02
E19.04
E19.05
E19.06
E19.07
E19.08
E19.09
E19.10
E19.11
Motor auto-
E19.12
tuning fault
E19.13
E19.14
E19.15
E19.16
E19.17
E19.19
E19.20
E19.22
E19.23
E19.24
E21.01
E21.02
EEPROM read
E21.03
and write fault
E21.04
E22.00
E22.01
Abnormal
motor auto-
tuning result
E22.02
Cause
An external fault signal Confirm that the mechanical condition
is input through an NO allows restart (F8-18, Startup protection
DI. selection) and reset the operation.
An external fault signal Confirm that the mechanical condition
is input through an NC allows restart (F8-18, Startup protection
DI. selection) and reset the operation.
Check whether the RS485 cable is
correctly connected.
Modbus communication
Check whether the settings of Fd-04
timeout
(Modbus communication timeout) and
PLC communication cycle are proper.
Auto-tuning of pole
position angle of the The motor may be disconnected, or
synchronous motor is output phase loss may occur.
faulty.
Auto-tuning of initial
Increase the setting of F2-29 (Initial
pole position angle of
position angle test current for
the synchronous motor
synchronous motor).
is faulty.
Check whether the motor is connected.
Stator resistance auto-
Ensure that F1-03 (Rated motor current)
tuning is faulty.
is set according to the motor nameplate.
Auto-tuning of
instantaneous leakage Check whether the motor is connected,
inductance of the or output phase loss occurs.
asynchronous motor is Ensure that the motor is connected.
faulty.
Ensure that F1-03 (Rated motor current)
is set according to the motor nameplate.
Inertia auto-tuning is
Increase the setting of F2-43 (Inertia
faulty.
auto-tuning and dynamic speed
reference).
Check whether the motor is connected,
or output phase loss occurs.
Auto-tuning times out.
Ensure that the motor is disconnected
from load.
Auto-tuning of zero
position angle of the no-
Check the Z feedback signal.
load synchronous motor
times out.
Ensure that F1-03 (Rated motor current)
Auto-tuning of pole
is set according to the motor nameplate.
position of the
Decrease the setting of F2-29 (Initial
synchronous motor is
position angle test current for
faulty.
synchronous motor).
Auto-tuning of
Check whether the AC drive power class
instantaneous leakage
is small and replace an AC drive of
inductance of
proper power class based on motor
asynchronous motor is
power.
incorrect.
For parameters written to EEPROM,
check RAM addresses and address
EEPROM read and write mapping
is abnormal. If the EEPROM chip is damaged, require
the agent or Trane to replace the main
control board.
Stator resistance is not Check whether rated motor voltage and
within the permissible current are incorrectly set and set F1-02
range. (Rated motor voltage) and F1-03 (Rated
motor current) according to the motor
Asynchronous motor
nameplate.
rotor resistance is not
within the permissible Check that auto-tuning is performed
range. after the motor stops.
No-load current and
mutual inductive
reactance of the
asynchronous motor are
not within the
permissible range. If
such an alarm is Set motor parameters in group F1
generated, the AC drive according to the motor nameplate.
calculates no-load Before auto-tuning, ensure that the
current and mutual motor has no load.
inductive reactance
based on known
parameters. The
calculated values may
be different from optimal
values.
Possible Solution
RTXC-SVX003D-EN