Bard MULTI-TEC W18AAPA Service Instructions Manual - Alarms
Manual 2100-665D
Page
10 of 26
ALARMS
NOTE:
Screenshots shown in this manual reflect
default settings (when applicable).
Acknowledging/Clearing Alarms
Alarm conditions activate a red LED indicator that
backlights the ALARM function key. As an option, an
alarm condition may also be enunciated by an audible
alarm signal. An alarm is acknowledged by pressing
the ALARM key. This calls up alarm display screen(s)
that provide a text message detailing the alarm
condition(s)—as shown in Figure 8.
FIGURE 8
Alarm Screen Breakdown
Alarm Page
Alarm
Date/Time
Alarm Index
Number
Alarm
Description
Clearing Alarms
After an alarm condition has been corrected, the alarm
can be cleared/reset.
To clear alarms, press the ALARM key and the UP or
DOWN keys to scroll to the alarm reset screen (see
Figure 9). Hold down the ALARM key for 3 seconds
until the screen flashes. After the screen flashes, if all
alarms are able to be cleared, the screen should read
NO ALARMS. If there are still active alarms, the screen
will show the first indexed alarm.
FIGURE 9
Clearing Alarms
Index
Alarm Log Export Variable
PGD Displayed Alarm Description
0
Al_retain
Error in the number of retain memory writings
1
Al_Err_retain_write
Error in retain memory writings
2
Al_ReturnAIr1In
Circuit 1 Return Air Temperature Sensor Alarm
3
Al_ReturnAir1High
Circuit 1 High Return Air Temperature
6
Al_MixedAir1In
Circuit 1 Mixed Air Temperature Sensor Alarm
7
Al_MixedAir1High
Circuit 1 Mixed Air High Temperature
8
Al_MixedAir1Low
Circuit 1 Mixed Air Low Temperature
18
Al_OutdoorAirIn
Outdoor Air Temperature Sensor Alarm
19
Al_OutdoorHumIn
Outdoor Air Humidity Sensor Alarm
36
Al_LowPress1
Circuit 1 Low Pressure
38
Al_HighPress1
Circuit 1 High Pressure
40
Al_Damper1FailedtoOpen
Circuit 1 Damper Failed to Open
41
Al_Damper1FailedtoClose
Circuit 1 Damper Failed to Close
48
Al_Freeze1In
Circuit 1 Freeze Temperature Sensor Alarm
50
Al_Freeze1
Circuit 1 Freeze Condition
54
Al_Filter1
Filter 1 Dirty Filter Indicated
92
Al_Offline_THTN_1
Th-Tune Device Offline
93
Al_TempPrb_THTN_1
Th-Tune Temperature Probe Sensor Alarm
94
Al_HumPrb_THTN_1
Th-Tune Humidity Probe Sensor Alarm
95
Al_ClkBrd_THTN_1
Th-Tune Clock Board Alarm
TABLE 3
Wall-Mount Unit Alarm Index