Varmeteknikk SB 180, Руководство по эксплуатации

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Varmeteknikk AS Phone +47 23 37 55 00 November 2021 V2
16
Troubleshooting
NB! TROUBLESHOOTING AND REPAIRS MUST ONLY BE PERFORMED BY QUALIFIED
PERSONNEL
ERROR
DISPLAY SHOWING
CAUSE
CHECK / CORRECTION
Boiler «dead»
The boiler lacks of control
voltage The boiler requires its own
control voltage
Fuse/s for control voltage
broken
Check fuses and replace if
required
No power
Temp 30.0 (80)°C
StepS 0 ( 0)
External start signal missing Check external signal
Temp 30.0 (80)°C
StepE 0 ( 0)
External signal for power
control missing
Check external signal
TempE 30.0 (20)°C
Power 0kW External signal for
temperature control missing
Check external signal
Temp 0.0 (80)°C
Error Temp
Defect temp. sensor Change temp. sensor
Boiler stops at
Step 3
(Alarm diode is
flashing)
Temp 30.0 (80)°C
Alarm Power
Safety temp. limiter has
tripped Reset Safety temp. limiter
(STB) on front panel
Temp 30.0 (80)°C
Alarm Power Main switch off or broken
fuses Check switch board/fuses
Replace if required
Little heat
from boiler
Temp 75,5(80)°C
Step 3( 5) Maximum power limited
from outside Check external signals from a
central monitoring system
TempU 30.0 (60)°C
Power 120kW Check if boiler is limited
from outdoor compensator
Check curves for outdoor
compensation
Defect heating elements,
fuses, contactors
Check heating elements, fuses
contactors and replace if
required
STB
– safety
temp. limiter
released
(Display shows
"Alarm Power")
Temp 30.0 (50)°C
Alarm Power
Circulation in boiler Check pump/valves
Burned contactor
Check contactors and replace if
required
Leakage
Loose screws for heating
element
Tighten screws
Gasket for heating element Replace if required
Defect heating element Replace if required
Cooke Industries - Phone: +64 9 579 2185 Email: sales@cookeindustries.co.nz Web: www.cookeindustries.co.nz