19
5.4.1
Hard Lockout ‘A’ Codes
Table 15: Lockout Codes
‘A’
code
Error
Int
nr.
Description
01
IGNIT_ERROR
1
Three unsuccessful
ignition attempts in a
row
02
TOO_MANY_FLAME
_FAILURES
24
Three times flame
lost during one
demand
03
T_MAX_LOCK_ERR
OR
18
Overheat stat is open
04
GV_RELAY_ERROR
5
Problems with gas
valve relay = internal
hardware error (pump
not running)
05
SAFETY_RELAY_ER
ROR
6
Problems with safety
relay = internal
hardware error (pump
not running)
09
RAM_ERROR
9
Internal software error
09
FLAG_BYTE_INTEG
RITY_ERROR
27
Internal software error
09
AD_HI_CPL_ERROR
28
Internal software error
09
AD_LO_CPL_ERRO
R
29
Internal software error
09
REGISTER_ERROR
30
Internal software error
10
E2PROM_ERROR
12
No communication
with E2prom
12
WRONG_EEPROM_
SIGNATURE
10
Contents of e2prom is
not up-to-date
13
STATE_ERROR
13
Internal software error
14
ROM_ERROR
14
Internal software error
15
15MS_XRL_ERROR
16
Internal software error
16
20MS_XRL_ERROR
22
Internal software error
18
STACK_ERROR
19
Internal software error
19
FLAME_OUT_TOO_
LATE_ERROR
20
Flame still present 10
sec. after closing the
gas valve
20
FLAME_ERROR_1
21
Flame detected just
before gas valve
opened
32
41MS_ERROR
23
Internal software error
33
FAN_ERROR
8
Fan deviation more
than 300 rpm longer
than 1 minute (when
fan speed > 4200 rpm
this error is ignored)
To eliminate the hard lockout error,
1) Wait until the boiler has completed it’s 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
Soft Lockout ‘E’ Codes
Table 16: Blocking Codes
‘E’
code
Error
Int
nr.
Description
01
T_SUPPLY_OPEN
51
Supply sensor not
connected
02
T_INLET_OPEN
52
Inlet sensor not
connected
04
T_DHW_OPEN
55
DHW sensor not
connected
11
T_SUPPLY_SHORTE
D
59
Supply sensor
shorted
12
T_INLET_SHORTED
60
Inlet sensor shorted
13
T_STACK_SHORTED
65
Stack sensor shorted
14
T_DHW_SHORTED
63
DHW sensor shorted
19
E2PROM_READ_ERR
OR
0
Problems reading
from or writing to
e2prom
20
FLAME_ERROR_2
36
False flame detected
21
PHASE_ERROR
44
Phase and neutral of
mains supply are
reversed
22
WD_50HZ_ERROR
43
No earth connected
or internal hardware
error
23
NET_FREQ_ERROR
45
Mains frequency
differs more than 2%
from 60Hz
24
FAULTY_EARTH_ER
ROR
46
Earth connection is
not ok
30
STACK_TEMP_ERRO
R
35
Stack sensor >
se diff. See
chapter
31
LOW_WATER_CUTO
FF_ERROR
37
Water pressure is to
low
32
INLET_TEMP_ERROR
40
Inlet temperature is
above 90 degrees
42
WD_COMMUNICATIO
N_ERROR
47
Internal hardware
error
45
REFHI_TOO_LO_ERR
OR
31
Internal hardware
error
46
REFHI_TOO_HI_ERR
OR
32
Internal hardware
error
47
REFLO_TOO_LO_ER
ROR
33
Internal hardware
error
48
REFLO_TOO_HI_ERR
OR
34
Internal hardware
error
51
RESET_BUTTON_ER
ROR
66
Reset button pressed
more than 7 times
within one minute.
52
APPLIANCE_SELECTI
ON_ERROR
48
Appliance selection
code and resistor do
not match. This is
only checked at
startup.
Содержание DMC 753
Страница 11: ...7 Figure 5 DynaMax Wall Hung Service Clearances Figure 6 DynaMax Floor Mount Service Clearances ...
Страница 20: ...16 ...
Страница 63: ...59 PART 14 EXPLODED VIEW PARTS LIST DYNAMAX WALL HUNG ...
Страница 64: ...60 DYNAMAX FLOOR MOUNT ...
Страница 71: ...67 PART 15 ELECTRICAL DIAGRAMS 15 1 DM 80 250 INTERNAL WIRING DIAGRAM WALL HUNG MODELS ...
Страница 72: ...68 15 2 DM 210 750 INTERNAL WIRING DIAGRAM FLOOR MOUNT MODELS ...