Standby And Shutdown; Normal Operation; List Of Alarms - CleaverBrooks CEJS Installation, Operation And Maintanance

Electrode boiler
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Electrode Boiler

8.5-Standby and shutdown

Standby
Enable "STANDBY" mode. The regulating shield will drive to the no-load position and the Standby
banner will turn yellow. The circulation pump will stop and the standby heater (if included) will
energize to keep the boiler hot.
Shutdown
Enable "OFF" mode. The regulating shield will move to the no-load position and the circulating pump
will stop. The PLC may be turned off using the control power switch on the panel.

8.6-Normal operation

The CEJS boiler has completely automatic operating controls, feedback, and limiting functions. The
only attention it will need during normal operation is a periodic check of the ammeter. The "POWER
LIMIT" may be adjusted at any time.

8.7-List of Alarms

The following is a full list of alarm codes/names with corresponding descriptions of each.
ALM001 Water Level High High (Probe) - High High Water Probe or LSHH in Software. Shuts down the boiler
ALM002 Water Level High (Probe) - High Water Probe or LSH in Software.
ALM003 VSD#1 Fault - VSD fault switches operation to standby pump. If standby pump is not available, a VSD
ALM004 Modbus Comms Fault - Comms loss to Nexus for 30 seconds.
ALM005 E-Stop Pressed - Shuts down boiler & opens HV breaker.
ALM006 Hydraulic Pump Fault - Aux. contacts on hydraulic pump contactor are not functioning properly.
ALM007 Shield Down Position Fault - Down solenoid on for 120 seconds, shield position not down.
ALM008 Shield Up Position Fault - Up solenoid on for 120 seconds, shield position not up.
ALM009 Low Low Water Fault - Shuts down boiler.
ALM010 Boiler Pressure High High - Input slot 2, channel 1. Pressure input shuts down boiler.
ALM011 HV Breaker Control Power Loss - Input slot 2, channel 10. Control power is Off on HV breaker.
ALM012 N/A
ALM013 Device in Manual Override Mode - At least one (1) device on MOA screen is in manual mode.
ALM014 Phase Imbalance Fault - 10% or greater phase imbalance for 10 seconds.
ALM015 Current Imbalance Fault - 10% or greater current imbalance for 10 seconds.
ALM016 Analog Input Limit Failure - One of the analog inputs is out of range.
ALM017 High Voltage Breaker Open - Slot 2, channel 5 input loss. Alarms only when boiler is in operation.
ALM018 High Voltage Safety Contact Fault - Slot 2, channel 4 input. Safety Contact in HV breaker tripped.
ALM019 N/A
ALM020 Boiler Pressure High - Slot 2, channel 12 input.
ALM021 VSD# 2 Fault - See ALM003 VSD#1 Fault above for more details.
ALM022 VSD# 3 Fault - See ALM003 VSD#1 Falut above for more details.
ALM023 High Conductivity - CSHH in Software - Raises shield.
ALM024 Water Level High High (Transmitter) - High High Water Transmitter or LSHH in Software. Shuts down
ALM025 Water Level High (Transmitter) - High Water Transmitter or LSH in Software.
30
and opens HV breaker.
fault shuts down boiler.
the boiler & opens HV breaker.
750-272

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