Aprilaire 8800 - Page 54

PROGUPDT
Program modification status COS: C16
Permissions: COS only
COS Message Syntax: SN[#]PROGUPDT=[value]<CR>
Syntax: SN[#]PROGUPDT=[m][t][w][r][f][s][n]<CR>
Example: SN1 PROGUPDT=NONE<CR>
Node address 1 responds with a program modification status of NONE.
SN1 PROGUPDT=0000011<CR>
Node address 1 responds with a program modification status of Saturday and Sunday.
Parameters Range
value: program modification status [NONE]
NONE: program has not been modified
m, t, w, r, f, s, n: day of the week code [0, 1]
0: unmodified day
1: modified day
If the user modifies the program at the thermostat, a C16 COS unsolicited message is issued (if C16 is ON).
ERROR
Error status COS: C19
Permissions: Read only
Query
Command
Syntax: SN[#] ERROR?<CR>
Description: Requests the current error state.
Response or
COS Message
Syntax: SN[#] ERROR=[t][rt][ot][h][com][ee]<CR>
Example: SN1 ERROR=000000<CR>
Node address 1 responds with an error status indicating no errors.
Parameters Range
t: built-in temperature sensor error status code [0 – 2]
rt: remote temperature sensor error status code [0 – 2]
ot: remote temperature sensor error status code [0 – 2]
0: no error
1: sensor is open-circuited
2: sensor is short-circuited
h: built-in humidity sensor error status code [0 – 1]
0: no error
1: RH sensor error
com: local communication error status code [0 – 1]
0: no error
1: unresponsive node error
ee: EEPROM error status code [0 – 1]
0: no error
1: EEPROM memory error
If any error status changes, a C19 COS unsolicited message is issued (if C19 is ON).
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