Trane RTHD

154 RTHD-SVX01D-EN
Diagnostics
1AD MP Application
Memory CRC
Error
Immediate Latch App software inside the MP failed its own checksum
test. Possible causes: application software in the
MP is not complete - software download to the MP
was not completed successfully - or MP hardware
problem. Note: User should attempt to reprogram
the MP if this diagnostic occurs.
Remote
6A1 MP: Could not
Store Starts and
Hours
Info Latch MP has determined there was an error with the
previous power down store. Starts and Hours may
have been lost for the last 24 hours.
Remote
5FF MP: Invalid
Configuration
Immediate Latch MP has an invalid configuration based on the current
software installed
Remote
6A2 MP: Non-Volatile
Block Test Error
Info Latch MP has determined there was an error with a block
in the Non-Volatile memory. Check settings.
Remote
69C MP: Non-Volatile
Memory
Reformat
Info Latch MP has determined there was an error in a sector of
the Non-Volatile memory and it was reformatted.
Check settings.
Remote
D9 MP: Reset Has
Occurred
Info NonLatch The main processor has successfully come out of a
reset and built its application. A reset may have
been due to a power up, installing new software or
configuration. This diagnostic is immediately and
automatically cleared and thus can only be seen in
the Historic Diagnostic List in TechView
Remote
297 No Differential
Refrigerant
Pressure
Immediate Latch The system differential pressure was below 7.7
Psid. The occurrence of this diagnostic will saturate
the above "Low Diff Rfgt Press" Integral and invoke
the same "Compressor Cool Down" op mode.
Remote
1E1 Oil Flow
Protection Fault
Immediate Latch The Oil Pressure Transducer for this Chiller is
reading a pressure either above its Condenser
Pressure by 15 Psia or more, or below its Evaporator
Pressure 10 Psia or more for 30 seconds continu-
ously.
Local
5BE Oil Pressure
Transducer
Normal Latch Bad Sensor or LLID Remote
A1 Outdoor Air
Temperature
Sensor
Info and
Special
Action
Latch Bad Sensor or LLID. This diagnostic will only occur if
OA sensor is configured.OA Chilled water reset will
be suspended if selected and Tracer OA unavailable.
Remote
D7 Over Voltage Normal NonLatch a. Average of all monitored Line voltages above +
10% of nominal. [Must hold = + 10 % of nominal.
Must trip = + 15 % of nominal. Reset differential =
min. of 2% and max. of 4%. Time to trip =
minimum of 1 min. and maximum of 5 min.) Design:
Nom. trip: 60 seconds at greater than 112.5%, + or -
2.5%, Auto Reset at 109% or less.
Remote
Table 33 Diagnostic List
Hex
Code
Diagnostic
Name and
Source Severity Persistence Criteria
Reset
Level