Velocity PHANTOM II - Page 81

81110331-01 - 5/20
PHTM II
Installation, Operating & Service Instructions
19 Troubleshooting (continued)
Table 19-6: Detailed Fault Code (found on"cc" and "bb" menus, continued)
Code
Detailed
Code
Type Condition
H25
H25.0 Hold Safety core system error.
H25.2 Hold Hardware Fault, Internal Application error.
H25.3 Hold Hardware Fault, Internal Safety core error.
H25.4 Hold Hardware Fault, Internal Safety core error.
H25.5 Hold Hardware Fault, Internal Safety core error.
H25.6 Hold Hardware Fault, unknown Error.
H26
H26.0 Hold
Calibration Fault, Offset adaption not executable, Stable adaption conditions could
not be reached in a certain time.
H26.1 Hold
Calibration conditions fault, Conditions for calibration were not reached in a 5 min
timeout period, Blocking, Burner stop and restart.
H26.2 Hold
Calibration Fault, Missing calibration, Calibration not carried out, although required.
calibration counter reached zero, check why calibration management did not work.
H26.3 Hold
Emergency stop, The burner had to be stopped during calibration/adaption either
due to high outlet/DHW temperature or a blocking /lockout error.
H27 H27.0 Hold 120 VAC supply voltage less than 73 VAC.
H28 H28.0 Hold Control 24VAC wrong frequency or high electrical noise.
E29 E29.0 Lockout
Excessive:
!
reset button selection.
H30
H30.0 Hold Duplicate Slave Boiler Addresses.
H30.1 Warning
Sequencer slave has lost communication with Sequencer Master, master header
sensor failure.
H30.2 Hold Multiple sequencer masters detected.
H31
H31.0 Hold Variable Speed Pump Fault and pump feedback is used to prove boiler water flow.
H31.1 Warning Variable Speed Pump Fault and flow switch is used to prove boiler water flow.
H32
H32.0 Warning Zone Panel 1 Communication Lost.
H32.1 Warning Zone Panel 2 Communication Lost.
H32.2 Warning Zone Panel 3 Communication Lost.
H32.3 Warning Zone Panel 4 Communication Lost.
H32.4 Warning Zone Panel Electronics Failure.
H32.5 Warning Duplicate Zone Panel.