York TIWM006B21S Installation And Maintenance Manual page 49

NOTE:
Do not move the louver by hand. It could damage the louver mechanism and the airflow direction
may not be set correctly. Change the airflow direction by " " or " " on the wired controller.
Louver
TIWM006B21S to TIWM012B21S
(f) Though temperature readings detected by the thermistors are invalid during the Test Run phase, the
protection devices are valid.
(g) Test Run automatically stops after two hours or by pressing the "On" switch again.
• When problems such as safety device activations occur during Test Run or normal operation, the RUN
indicator (orange) will flash in intervals: (0.5 second ON / 0.5 second OFF).
• Alarm code status is indicated by the number of times the "TIMER" (green) and the "FILTER/DEF" (yellow)
flash.
"TIMER" (green):
The tens digit of the Alarm Code is shown by the number of times "TIMER" (green) flashes.
"FILTER/DEF" (yellow):
The ones digit of Alarm Code is shown by the number of times "FILTER/DEF" (yellow) flashes.
Example
P5417052
3 5
Alarm
"FILTER/DEF" (yellow lamp)
"TIMER" (green lamp)
"TIMER" flashes 3 times
(0.5 second ON / 0.5 second OFF)
"FILTER/DEF" flashes 5 times
(0.5 second ON / 0.5 second OFF)
These messages are repeated until the alarm is reset.
Louver
TIWM015B21S to TIWM030B21S
45