MODU-FIRE® Forced Draft Gas-Fired Boiler
39
5.7 M
ANUAL
R
ESET
E
RROR
C
ODES
–
A##
Code ENVI Display
Lockout
Description
A00 NED
Unassigned
No Error Description, Call For Service
A01 IGNITION FAILURE
Ignition Failure
During an attempt to light, no flame was detected
A02 FLAME FAILURE
Flame Failure
During run, the flame was lost
A03 HIGH LIMIT
High Limit
The temperature in the boiler exceeded the setting on
the High Limit Control
A05 INT ERR GAS VLV RLY
Internal Error Gas Valve Relay Call for service.
A06 INT ERR SAFETY RLY
Internal Error Safety Relay
Call for service.
A07 LOW FLOW / ILK
Low Water Flow or Open Inter-
lock Jumper (ILK)
Water Flow is Inadequate or
Interlock Jumper (ILK) is Open
A09
INTERAL ERROR
9 or 27 or 28 or 29 or 30
Internal Error
9 or 27 or 28 or 29 or 30
Call for service.
A10 INT ERR E2PROM ERR
Internal Error E2PROM Err
Call for service.
A12 INT ERR E2PROM SIG
Internal Error E2PROM Sig
Call for service.
A13 INTERAL ERROR 13
Internal Error 13
Call for service.
A14 INTERAL ERROR 14
Internal Error 14
Call for service.
A15 INTERAL ERROR 16
Internal Error 16
Call for service.
A16 INTERAL ERROR 22
Internal Error 22
Call for service.
A18 INTERAL ERROR 19
Internal Error 19
Call for service.
A19 LATE FLAME
Late Flame
Flame still present after boiler gas valve closed during
post purge
A20 EARLY FLAME
Early Flame
Flame detected before boiler gas valve opened during
pre purge
A30 HIGH GAS PRESSURE
High Gas Pressure Error
The gas pressure is too high and has tripped the
HGPS
A31 LOW GAS PRESSURE
Low Gas Pressure Error
The gas pressure is too low and has tripped the LGPS
A32 INTERAL ERROR 23
Internal Error 23
Call for service.
A33 FAN WRONG SPEED
Wrong Fan Speed Error
Fan deviation more than 300 rpm for > 1 sec (ignored
when fan > 4200 rpm)
A34 AIR SWITCH NOT OPEN Air Switch Not Open
Air switch does not open when fan is off
A35 AIR SWITCH NOT
CLOSE
Air Switch Not Closed
Air switch does not close when fan is running
A37 UV SENSOR DEFECT
UV Sensor Defective
Self Check function of UV detector has indicated a
failure
A38 MAX DT EXCEEDED
Max Delta Temp Exceeded
Maximum temperature differential across the boiler has
been exceeded
A39 RAPID RISE INLET TMP Rapid Rise Inlet Error
Inlet temperature is rising too rapidly
A40 RAPID RISE OUT TEMP Rapid Rise Outlet Error
Outlet temperature is rising too rapidly
A41 RAPID RISE HX TEMP
Rapid Rise HX Temp
Temperature across heat exchanger is rising faster
than allowed
A43 LOW WATER LEVEL
Low Water Cutoff
Water is too low for boiler to operate
A45 INTERNAL ERROR 31
Internal Error 31
Call for service.
NOTICE! When an Internal Error occurs, as identified above, the failure is internal to the ENVI™ boiler
control and replacement of the ENVI™ control is required. A qualified service technician must replace
the ENVI™ control.
Содержание MODU-FIRE FORCED DRAFT N750
Страница 45: ...MODU FIRE Forced Draft Gas Fired Boiler 45 6 1 5 Main Control Panel Point to Point Left Side Alarm Flame Enable...
Страница 46: ...MODU FIRE Forced Draft Gas Fired Boiler 46 6 1 6 Main Control Panel Point to Point Right Side...
Страница 47: ...MODU FIRE Forced Draft Gas Fired Boiler 47 6 1 7 Junction Box Point to Point and Customer Connections...
Страница 48: ...MODU FIRE Forced Draft Gas Fired Boiler 48 6 1 8 Customer Connections Details...