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10.2 Maintenance messages
10.2.1 Maintenance code table
Servicing code
Maintenance description
1
Burner operating hours exceeded
2
Burner starts exceeded
3
Maintenance interval exceeded
10.2.2 Operating phases of the Control Centre LMS
The operating phases are displayed after the information key has been
pressed.
Phase number
Display
Operating state
Description of function
STY
Standby (no heat demands)
Burner on stand-by
THL1
Fan start-up
Self-test for burner start and fan start-up
THL1A
TV
Pre-purging time
Pre-purging, fan deceleration time to starting load speed
TBRE
Waiting time
Internal safety tests
TW1
TW2
VDE
Ignition phase
Ignition and start of safety time for flame formation, ionisation
current build-up
TSA1
Safety time constant
Flame monitoring with ignition
TSA2
Safety time variable
Flame monitoring without ignition
TI
Interval time
Flame stabilisation
MOD
Modulating mode
Operating burner
THL2
Subsequent ventilation with last operating fan
speed
Fan continues to run
THL2A
Subsequent ventilation with pre-purging fan
speed
Fan continues to run
TNB
Burner shut-off delay
Permitted burner run-on time
TNN
Overrun time
Permitted fan run-on time
STV
Start prevention
No internal or external release exists (e.g. no water pressure,
lack of gas)
SAF
Safety switch-off
STOE
Fault position
The current fault mode is displayed.
For more information, see
10.3 Standard inspection and maintenance operations
10.3.1 Clean siphon
The condensate siphon should be cleaned every year.
1. Loosen the upper screwed fitting on the siphon.
2. Pull the siphon down and off.
3. Remove the siphon completely from the Paramount four together
with the hose.
10 Maintenance
130
Paramount four 30 – 115 kW
7658013 - 02 - 15092016