Auto-Reset Error Codes-E## (Or Blocking Error Codes) - Harsco Industrial C1500H Installation & Owner's Manual

5.8 A -
UTO RESET ERROR CODES
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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
-E## (
OR BLOCKING ERROR CODES
Lockout Description
53
54
59
57
58
70
61
62
67
65
66
71
46
0
74
73
45
47
48
39
42
41
43
49
40
35
36
37
38
51
72
68
50
69
54
)
Flow sensor not connected
Return sensor not connected
Flue sensor not connected
DHW sensor not connected
Heat exchanger sensor not connected
Header sensor on IF board not connected
Flow sensor shorted
Return sensor shorted
Flue sensor shorted
DHW sensor shorted
Heat exchanger sensor shorted
Header sensor on IF board shorted
Phase and neutral of supply voltage mains are reversed
Problems from reading from or writing to E2prom
False flame detected
Low flow or interlock error
No earth ground connected or internal hardware error
Main supply voltage frequency differs more than 2% from
60HZ
Faulty earth ground to boiler
Flue gas sensor is above setpoint plus differential
Return temperature is above 90 degrees
Flue gas outlet is restricted or blocked
Supply and return temp are reversed
Internal hardware error
Ionization or flame rod wire is lost
Internal hardware error
Internal hardware error
Internal hardware error
Internal hardware error
Heat exchanger temperature rise to rapidly (blocking)
Flow temperature rise too rapidly (blocking)
Reset button pressed more than 7 times within 1 minute
Appliance and resistor do not match at start up
No communication with interface board
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MACH Gas Fired Boiler