61
20068428
Faults - Probable causes - Solutions
254 (-2) Interruption owing to transmission error Repeat the reset and backup
255 (-1) Interruption owing to time-out during the restoration Carry out a reset, check the connections and repeat the backup
146 # Time-out of the system automation interface Refer to the Modbus User Documentation (A7541)
1 Modbus time-out
150 # TÜV test
1 (-1) Invalid phase The TÜV test can only be started in phase 60 (operation)
2 (-2) The TÜV test default output is too low
The output of the TÜV test must be lower than the minor output
limit
3 (-3) The TÜV test default output is too high
The output of the TÜV test must be greater than the upper
output limit
4 (-4) Manual interruption No error: Manual interruption of the TÜV test by the user
5 (-5) TÜV test time-out
No flame loss after the fuel valves have been closed
1. Check for potential extraneous lights
2. Check that there are no short-circuits
3. Check that one of the valves is leaking
165 # Internal error
166 0 Watchdog reset internal error
167 # Manual lockout The control box has been manually blocked (no error)
1 Manual lockout from remote reset command
2 Manual lockout from RDI21…
3 Manual lockout from PC interface
8
Manual lockout from RDI21…
Time-out/interrupted communication
During a regulation of the curve via the operating panel
RDI21…the time-out for the operating menu is passed (setting
via the 127 parameter), or the communication between REC
27.100A2... and RDI21 has been interrupted
9
Manual lockout from PC interface
Communication interrupted
During an adjustment of the curve via the PC interface, the
communication between REC 27.100A2 and the operating
panel has been interrupted for more than 30 s
33
Manual lockout after the PC tool has performed a tentative
reset
The PC tool has performed a tentative reset, even if the system
has worked correctly
168 ÷ 171 # Internal error management
Carry out a reset; if the error arises repeatedly, replace the
control box
200 off # System free of errors No error
201 off
VA
# Lockout or error at start Lockout or error due to lack of unit parameter settings
Bit 0
Valency 1
No valid operation mode
Bit 1
Valency 2..3
No fuel train defined
Bit 2
Valency 4..7
No curve defined
Bit 3
Valency 8..15
Standardisation speed not defined
Bit 4
Valency 16..31
Backup / Reset impossible
202 # Selection of internal operation mode Redefine the operation mode (parameter 201)
203 # Internal error
Redefine the operation mode (parameter 201)
Carry out a reset; if the error arises repeatedly, replace the
control box
204 Phase number Program stop The program stop is active (no error)
205 # Internal error
Carry out a reset; if the error arises repeatedly, replace the
control box
206 0
Combination of control box and operator panel not
allowed
207 # Compatibility of control box with operator panel
0 Obsolete version of control box
1 Obsolete version of operator panel
208 - 209 # Internal error
Carry out a reset; if the error arises repeatedly, replace the
control box
210 0
The selected operating mode is not released for the
standard unit
Select an operating mode released for the standard unit
240 # Internal error
Carry out a reset; if the error arises repeatedly, replace the
control box
Error
code
Diagnostic code Meaning of the REC 27.100A2 system Recommended measures
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