Trane HUV Installation, Operation And Maintenance Manual page 49

RPM Mode
RUNNING/ FAN STATUS
CONTINUOUS LOOP
Displayed when:
1) No error codes are present
2) Motor has completed ramping
(a) Motor 1 is the only motor for all horizontal unit ventilator sizes (075, 100, 125, 150, 200).
UV-SVN02C-EN

Indicates the current rpm of Motor 1 in the system. "0" rpm
here indicate that no fan speed has been requested.
→
 

Indicates the current rpm of Motor 2 in the system. "0" rpm
here indicate a fan off condition OR a fan "missing"
→
 
condition

Indicates the status being calculated or Fan Motor 1. If "off, "
this indicates that either:
1) No fan speed is being requested or
2) The fan performance is failing to meet the request; refer
to "Troubleshooting (ECM), " p. 103
information.
If "on, " this indicates that the fan is performing correctly and
will be used to report fan status correctly, depending on
 
/ 

Indicates the status being calculated or Fan Motor 2. If "off, "
this indicates that either:
1) No fan speed is being requested or
2) The fan performance is failing to meet the request; refer
to "Troubleshooting (ECM), " p. 103
information.
3) If the target speed for Motor 2 is "0" , this is used to
indicate a missing motor
If "on, " this indicates that the fan is performing correctly and
will be used to report fan status correctly, depending on
 
/ 

Indicates that the temperature sensing circuit has
calculated a logical "on" based on the settings of the
following parameters:
  
/
ECM Overview and Setup
(a)
.
mode.
(a)
.
mode.
 
/ /
for additional
for additional
49