Auto-Reset Error Codes - E - Harsco Industrial 1004905923 Installation & Owner's Manual

5.8 A - E
UTO RESET RROR
®
Code ENVI Control Display
E01
T FLOW OPEN
E02
T RETURN OPEN
E03
T FLUE OPEN
E04
T DHW OPEN
E05
T HX OPEN
E06
HEADER SENSOR OPEN
E11
T FLOW SHORTED
E12
T RETURN SHORTED
E13
T FLUE SHORTED
E14
T DHW SHORTED
E15
T HX SHORTED
E16
HEADER SENSOR SHORTED
E18
PHASE ERROR
E19
E2PROM READ ERROR
E20
FLAME ERROR 2
E21
LOW FLOW/ILK
E22
WD 50HZ ERROR
E23
NET FREQ ERROR
E24
FAULTY EARTH ERROR
E30
FLUE GAS ERROR
E32
RETURN TEMP ERROR
E34
BLOCKED FLUE ERROR
E41
REVERSE FLOW ERROR
E42
WD COMMUNICATION ERROR
E44
FLAME CKT FAULT
E45
REFHI TOO LO ERROR
E46
REFHI TOO HI ERROR
E47
REFLO TOO LO ERROR
E48
REFLO TOO HI ERROR
E 49 RAPID RISE HX ERROR BLOCK
E50
RAPID RISE ERROR BLOCK
E51
RESET BUTTON ERROR
E52
APPLIANCE SELECTION ERROR
E54
IF COMMUNICATION FAILURE
C – E##
ODES
®
MODU-FIRE Forced Draft Gas-Fired Boiler 2500-3000
Lock-
Description
out
53 Flow sensor not connected
54 Return sensor not connected
59 Flue sensor not connected
57 DHW sensor not connected
58 Heat exchanger sensor not connected
70 Header sensor on IF board not connected
61 Flow sensor shorted
62 Return sensor shorted
67 Flue sensor shorted
65 DHW sensor shorted
66 Heat exchanger sensor shorted
71 Header sensor on IF board shorted
46 Phase and neutral of supply voltage mains are reversed
0 Problems from reading from or writing to E2prom
74 False flame detected
73 Low flow or interlock error
45 No earth ground connected or internal hardware error
Main supply voltage frequency differs more than 2%
47
from 60HZ
48 Faulty earth ground to boiler
39 Flue gas sensor is above setpoint plus differential
42 Return temperature is above 90 degrees
41 Flue gas outlet is restricted or blocked
43 Supply and return temp are reversed
49 Internal hardware error
40 Ionization or flame rod wire is lost
35 Internal hardware error
36
Internal hardware error
37
Internal hardware error
38 Internal hardware error
51 Heat exchanger temperature rise to rapidly (blocking)
72 Flow temperature rise too rapidly (blocking)
68 Reset button pressed more than 7 times within 1 minute
50 Appliance and resistor do not match at start up
69 No communication with interface board
41