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FAULT FINDING AND DIAGNOSIS
Status
Fault
codes
codes
329
CE
No pressure variation detected after switching pump
332
E5
Supply sensor exceeded 110°C
333
Start temporarily not allowed due to flow error on CH
338
F0
Too many short burner starts without confirmation of
water flow
341
D4
CH: supply and/or return temperatures rising too fast
342
D4
HW: supply temperature rising too fast
343
ED
CH: flue gas temperature rising but supply
temperature not
344
ED
HW: flue gas temperature rising but supply
temperature not
345
EF
Supply and/or return temperatures do not change
after burner start
346
EC
Flue gas temperature rising too fast
347
E3
Return temperature higher than supply temperature
(some time after burner start)
348
EE
HW: supply temperature too hot
349
EF
CH: Boil Detect, large delta T despite minimum burner
load
350
E2
Flow sensor shorted 351 'E2' Flow sensor
disconnected
353
--
Burn temporarily blocked due to no 20 minute
continuous OFF time in last 24 hours.
354
Overpressure setting erased
357
Primary Heat Exchanger air venting program active -
approx. 100 seconds
358
Three way valve kick
359
DHW outlet temperature too hot
364
FA
Gas valve EV2 leak test failed
365
Fb
Gas valve EV1 leak test failed
372
Temporarily ignoring CH requests to limit
temperatures of the appliance components
373
8C
Super-Lock caused by too frequent thermostat
overheat detections during burning
374
8C
Super-Lock caused by too frequent ionisation loss
during burning
375
E4
Preheat sensor on DHW inlet Short Circuit
376
E4
Preheat sensor on DHW Inlet Open Circuit
380
Inlet temperature greater than DHW Outlet Set point
800
CC
Outdoor sensor defect
808
A7
Domestic hot water sensor defect
810
Domestic hot water remains cold
828
Water pressure sensor defect
64
8.4.1 SELECTING THE INFORMATION MENU
The Information Menu is a "read only" menu. Information about the boiler
is displayed here, some of the values are updated in real time to give the
current status of the boiler.
All menus time-out after two minutes and the display returns to the
normal operation display, the display backlight turns off after another
30 seconds and goes into stand-by mode.
Double up or down arrows indicate that the menu can only be scrolled up
or down, an up and down arrow combination indicates position in the
menu where options can be scrolled either up or down.
To enter Information menu:
1. Press the
button to enter the information menu.
▶ A three figure boiler status code will be displayed along side the
information menu number. Refer to table 35 for a description of the
boiler status codes.
2. Use the
and
arrow buttons to scroll through the menu items.
▶ Press the
button again to exit the Information menu.
eco
°C
reset
ok
°F
e
max
1.
Info
eco
°C
reset
ok
°F
Info
e
max
i 1 203
Fig. 118 Accessing the Information menu
Greenstar i System Compact
2
1
1
3
0
4
bar
min
max
°C
°F
2
1
1
3
0
4
bar
2.
min
max
°C
°F
6720646608-75.1Wo
ErP
- 6 720 813 280 (2015/07)
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