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8
Troubleshooting
Display Meaning
d.50
Offset for minimum speed
d.51
Offset for maximum speed
d.58
From the third quarter of 2006:
Activation of solar reheating
d.60
Number of safety temperature limiter cut offs
d.61
Number of lock outs
d.64
Average ignition time
d.65
Maximum ignition time
d.68
Unsuccessful ignitions in the first attempt
d.69
Unsuccessful ignitions in the second attempt
d.70
Set diverter valve position
d.71
Maximum setting of heater control knob
d.72
Pump overrun time after warm start (combination boi-
lers only) or charging an electronically controlled hot
water storage through C1-C2 (system boilers only)
d.73
Offset for warm start target value (combination boilers
only)
d.75
Maximum charging time for a storage without own con-
troller (system boilers only)
d.77
Storage partial load (storage charging capacity limit,
system boilers only)
d.78
Storage charging temperature limit (target flow tempe-
rature in storage mode, system boilers only)
d.80
Heating operating hours
d.81
Water heating operating hours (combination boilers
only)
d.82
Cycles in heating mode
d.83
Cycles in hot water operation
d.84
Maintenance indicator: Number of hours until the next
maintenance
d.93
DSN appliance variant setting
d.96
Factory setting
1) Five-digit numbers are saved with the diagnostics codes 80 to 83. If d.80, for example, is selected, only the first two digits of the num-
ber are displayed (e. g. 10). The display switches to the last three digits (e. g. 947) by pressing "i". In this example the number of opera-
ting hours of the heating is 10947 h. The display returns to the selected diagnostics item by pressing "i" again.
Table 8.3 Diagnostics codes of the second diagnostic level
(continued)
8.1.3
Fault codes
Fault codes take priority over all other display functions
in the event of a system fault occurring.
If multiple faults occur, the corresponding fault codes
are displayed alternately for about two seconds each.
64
Display value/adjustable value
in rpm/10, adjustment range: 0 to 300
in rpm/10, adjustment range: -99 to 0
Setting range: 0 to 3
0 = solar reheating disabled (factory setting)
3 = activation of min. hot water target value = 60 °C for solar
reheating
Quantity
Number of unsuccessful ignitions in the last attempt
in seconds
in seconds
Quantity
Quantity
0 = Normal mode (factory setting)
1 = Centre position
2 = permanent heating position
Adjustment range in °C: 40 to 85 (Factory setting: 75)
Adjustment range in sec: 0, 10, 20 to 600
Factory setting for combination boilers: 80
Factory setting for system boilers: 300
Adjustment range: -15 K to +5 K (Factory setting: 0 K)
Adjustment range in min: 20, 21, 22 to 90 (Factory setting: 45)
Adjustment range in kW: appliance-specific
Factory setting: max. output
Adjustment range in °C 55 to 90 (Factory setting: 80)
1)
in h
1)
in h
1)
Quantity/100
(3 corresponds 300)
1)
Quantity/100
(3 corresponds 300)
Adjustment range: 0 to 3000 h and "-" for disabled
Factory setting: "-" (300 corresponds to 3000 h)
Adjustment range: 0 to 99
1 = Resetting adjustable parameters to factory setting
Instructions for installation and servicing ecoTEC 839592_13
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