Honeywell 7800 SERIES Product Data page 13

Message
LOCKOUT nna
*Aux.Limit#1*
LOCKOUT nnb
*Aux.Limit#2*
LOCKOUT nnc
*LWCO*
LOCKOUT nnd
*High Limit*
LOCKOUT nne
*Aux.Limit#3*
LOCKOUT nnf
*FuelSelectOff*
LOCKOUT nng
*BothFuelSelect*
LOCKOUT nnh
*High Oil Press*
LOCKOUT nni
*Low Oil Press*
LOCKOUT nnj
*High Oil Temp*
LOCKOUT nnk
*Low Oil Temp*
LOCKOUT nnm
*Atomizing Switch*
LOCKOUT nnn
*High Gas Press*
LOCKOUT nno
*Low Gas Press*
LOCKOUT nnp
*Airflow Switch*
LOCKOUT nnq
*Aux.ILK#4*
LOCKOUT nnr
*Aux.ILK#5*
LOCKOUT nns
*Other ILKs*
LOCKOUT nny
*Valve Closure*
LOCKOUT nnz
*Other PII*
a
Displayed message can be changed using the S7800A1142 Keyboard Display Module.
Message
Burner Sw.
Oper. Control
Aux. Limit # 1
Aux. Limit # 2
LWCO
High Limit
Aux. Limit # 3
Table 4. Expanded Annunciator Lockout Codes.
Auxiliary Limit # 1 was open.
Auxiliary Limit # 2 was open.
Low water cutoff was open.
Appliance high limit was exceeded.
Auxiliary Limit # 3 was open.
No fuel was selected.
Both fuels were selected.
Oil pressure was above the high limit setting.
Oil pressure was below the low limit setting.
Oil temperature was above the high limit setting.
Oil temperature was below the low limit setting.
Atomizing switch failed to close.
Gas pressure was above the high limit setting.
Gas pressure was below the low limit setting.
The airflow switch was open (0) when it should have been closed (1). Or, the airflow switch was
closed (1) when it should have been open (0).
Auxiliary Interlock # 4 was open.
Auxiliary Interlock # 5 was open.
An interlock, electrically downstream of Auxiliary Interlock # 5, was open.
Main valve proof of closure switch was open.
An interlock, electrically downstream of the main valve proof of closure (Valve Closure) was open.
Table 5. Expanded Annunciator Current Status Messages
Burner Switch
Operating Control
Auxiliary Limit # 1
Auxiliary Limit # 2
Low Water Cutoff
High temperature or pressure limit
Auxiliary Limit # 3
7800 SERIES S7830 EXPANDED ANNUNCIATOR
Description
Description
13
a
a
.
65-0101—03