Camus Hydronics DynaMax DMH081 - PART 5 ELECTRICAL & CONTROLS (Continued); Error Table and Codes; Manual Reset Error Codes; Automatic Reset Error Codes

20
and then “ON” or cycling the thermostat will not reset a hard
lockout condition. Wait five seconds after turning on the main
power before pushing the RESET button when the DynaMax
Controller is in a manual reset condition. Wait for the status
LCD display to refresh indicating that the DynaMax
Controller is ready before releasing the reset button.
The DynaMax Controller will go into an automatic reset
condition, if the fault is not corrected, the boiler will stay in
the automatic reset state. Once the fault is corrected, the
boiler will automatically return to normal operating state.
5.4 ERROR TABLE
5.4.1 Manual Reset Codes
Table 16: Manual Reset Codes
Error
Int
#
Description
IGNIT_ERROR 1
Three unsuccessful
ignition attempts in a
row
GV_RELAY_ERROR 5
Problems with gas valve
relay = internal
hardware error (pump
not running)
SAFETY_RELAY_ERROR 6
Problems with safety
relay = internal
hardware error (pump
not running)
FAN_ERROR 8
Fan deviation more
than 300 rpm longer
than 1 minute (when
fan speed > 4200 rpm
this error is ignored)
RAM_ERROR
9
Internal software error
WRONG_EEPROM_SIGN
ATURE
10
Contents of e2prom is
not up-to-date
E2PROM_ERROR 12
No communication with
E2prom
STATE_ERROR
13
Internal software error
ROM_ERROR
14
Internal software error
15MS_XRL_ERROR
16
Internal software error
T_MAX_LOCK_ERROR
18
Overheat stat is open
STACK_ERROR 19 Internal software error
FLAME_OUT_TOO_LATE
_ERROR
20
Flame still present 10
sec. after closing the
gas valve
FLAME_ERROR_1 21
Flame detected just
before gas valve
opened
20MS_XRL_ERROR
22
Internal software error
41MS_ERROR
23
Internal software error
TOO_MANY_FLAME_FAI
LURES
24
Three times flame lost
during one demand
FLAG_BYTE_INTEGRITY_
ERROR
27
Internal software error
AD_HI_CPL_ERROR
28
Internal software error
AD_LO_CPL_ERROR
29
Internal software error
REGISTER_ERROR
30
Internal software error
To eliminate the hard lockout error,
1) Wait until the boiler has completed its post-purge
cycle, if applicable
2) Press and hold the ‘RESET” button until the display
reverts back to showing the supply temperature
3) Release the RESET button, the hard lockout has
been cleared
5.4.2 Automatic Reset Codes
Table 17: Automatic Reset Codes
Error Int # Description
E2PROM_READ_ERROR 0
Problems reading from
or writing to e2prom
REFHI_TOO_LO_ERROR
31
Internal hardware error
REFHI_TOO_HI_ERROR
32
Internal hardware error
REFLO_TOO_LO_ERROR
33
Internal hardware error
REFLO_TOO_HI_ERROR
34
Internal hardware error
STACK_TEMP_ERROR 35
Stack sensor > set point
+ diff. See chapter
FLAME_ERROR_2
36
False flame detected
LOW_WATER_CUTOFF_E
RROR
37
Water pressure is to
low
INLET_TEMP_ERROR 40
Inlet temperature is
above 90 degrees
WD_50HZ_ERROR 43
No earth connected or
internal hardware error
PHASE_ERROR 44
Phase and neutral of
mains supply are
reversed
NET_FREQ_ERROR 45
Mains frequency differs
more than 2% from
60Hz
FAULTY_EARTH_ERROR 46
Earth connection is not
ok
WD_COMMUNICATION_
ERROR
47
Internal hardware error
APPLIANCE_SELECTION_
ERROR
48
Appliance selection
code and resistor do
not match. This is only
checked at startup.
T_SUPPLY_OPEN 51
Supply sensor not
connected
T_INLET_OPEN 52
Inlet sensor not
connected
T_DHW_OPEN 55
DHW sensor not
connected
T_SYSTEM_OPEN 56
System sensor not
connected
T_FLUE_OPEN 57
Flue
sensor not
connected
T_SUPPLY_SHORTED
59
Supply sensor shorted
T_INLET_SHORTED
60
Inlet sensor shorted
T_STACK_SHORTED
65
Stack sensor shorted
T_DHW_SHORTED
63
DHW sensor shorted
T_SYSTEM_SHORTED
64
System
sensor shorted
BLOCKED_FLUE_ERROR 66
Blocked flue switch
tripped
FLOW SW. NOT CLSD.
68
Flow switch not closed