Bryan Boilers Comprehensive Bryan Boiler Troubleshooting for Optimal Performance

Page 45

Date: 8-4-2010

Revision: 0

Form: 2396

2.4TROUBLESHOOTING

To support the recommended Troubleshooting, the R7910 has an Alert File. Review the Alert history for possible trends that may have been occurring prior to the actual lockout.

Note Column:

H = Hold message

L = Lockout message

H or L = either Hold or Lockout depending on Parameter Configuration

Table 12 R7910A Lockout and Hold Codes

Code

Description

 

 

Recommended Troubleshooting of Lockout Codes

Code

1

Unconfigured

 

1.New Device, complete device configuration and safety

L

 

safety data

 

 

verification.

 

 

 

 

 

 

2. If fault repeats, replace module.

 

2

Waiting

for

safety

1. Device in Configuration mode and safety parameters need

L

 

data verification

verification and a device needs reset to complete verification.

 

 

 

 

 

 

2. Configuration ended without verification, re enter

 

 

 

 

 

 

configuration, verify safety

 

 

 

 

 

 

parameters and reset device to complete verification.

 

 

 

 

 

 

3. If fault repeats, replace module

 

3

Internal

 

 

fault:

Internal fault

H

 

Hardware fault

 

1. Reset module

 

4

Internal

 

 

fault:

2. If fault repeats, replace module.

H

 

Safety

Relay

key

 

 

 

feedback error

 

 

 

5

Internal

 

 

fault:

 

H

 

Unstable

power

 

 

 

(DCDC) output

 

 

 

6

Internal

 

 

fault:

 

H

 

Invalid

processor

 

 

 

clock

 

 

 

 

 

7

Internal

 

 

fault:

 

H

 

Safety

relay

 

drive

 

 

 

error

 

 

 

 

 

8

Internal

fault: Zero

 

H

 

crossing

 

not

 

 

 

detected

 

 

 

 

9

Internal

 

 

fault:

 

H

 

Flame

bias

out of

 

 

 

range

 

 

 

 

 

10

Internal

 

 

fault:

 

L

 

Invalid

Burner

 

 

 

control state

 

 

 

 

11

Internal

 

 

fault:

 

L

 

Invalid

Burner

 

 

 

control state flag

 

 

12

Internal

 

 

fault:

 

H

 

Safety

relay

 

drive

 

 

 

cap short

 

 

 

 

13

Internal

fault:

PII

 

H OR L

 

shorted to ILK

 

 

 

14

Internal

fault: HFS

 

H OR L

 

shorted to LCI

 

 

 

 

 

 

 

 

39

 

Image 45
Contents Triple-Flex High Efficiency Boilers Triple-Flex 150, 200, 250 High Efficiency Boilers Table of Contents Lead Drop-Stage On Error Ldse Figures Date Date Revision Form Clearances Boiler FoundationMinimum Clearances to Combustible Surfaces DIMBoiler Connections Safety Relief ValvesFlow Connection Expansion Tank ConnectionsElectrical Requirements Venting of GAS Train ComponentsKW HP Combustion AIR SupplyLOUVERS, GRILLES, and Screens Combustion AIR OpeningsFlue GAS Venting System Design & InstallationScfm Combustion AIR and Venting Requirements for CanadaBefore Placing Boiler in Operation Marking of GAS VentsTest of GAS Piping Hydrostatic Test of Boilers and SystemStart-Up and Operation Triple-Flex High Efficiency Boilers TRIPLE-FLEX Front View Boiler AssemblyTriple-Flex Rear View TRIPLE-FLEX Rear ViewTRIPLE-FLEX Left Side View TRIPLE-FLEX Right Side ViewTRIPLE-FLEX Behind the Cabinet Door Air Flow Switch TRIPLE-FLEX Left Flue Collector View Pilot Spark Igniter AssemblyTRIPLE-FLEX Right Flue Collector View POWER-UP ValidationHome Sola Hydronic Control SystemKeyboard NavigationStatus Configuration ConfigureSample Configuration Configuration PasswordSafety Verification Configure Verify Change Parameter SettingsSafety Parameter User Confirmation FAULT/ALARM HandlingHome Page Lockout Info BAR Lockouts Clear Lockout OperationModulation Configuration Configure Modulation Annunciation OperationFiring Rate Control Operation Firing Rate Field Advanced Setup Setup Advanced Setup System Time Setup Advanced Setup Date & TimeCalibrate Touch Screen Setup Advanced Setup Diagnostics Reset / Reboot Display Advanced Setup Display ResetOutdoor Reset Configure Configure Sensor Configuration Configure CH Central Heat ConfigurationSafety Verification Configure CH Central Heat Configuration PID Sound Pressure LevelsSound Pressure Readings Alert Codes Modbus CommunicationDHW RPMODR ILK A2D SLOHFS PIIRevision PRE Checks and Setup Test SetupBoiler Commissioning ModulationDRY RUN Pilot AdjustmentAdjusting Boiler Minimum Input Adjusting Boiler Maximum InputInitial Light OFF IWCGAS Meter Readings CFH = 3600Vc gc CFH = ft 3 hr −1 of gas Vc = ft clockedPII Or L TroubleshootingDate LCI OFF PII OFFILK OFF ILK on Weak VsnsrAre OEM Specific Fault Codes Fault CodesOFF ThroughOFF Blower LCI High Limit setpoint setting 228 Invalid Reserved Care and Maintenance Boil OUT Procedure Draining the System Do not Flush the System Through the BoilerBoiler Water Treatment Suggested Maintenance Schedule External FIRE-SIDE CleaningDate Revision Form Lead Lag Lead LAG LL Master General Operation General Description of the Lead LAG ApplicationDrop-stage method Drop-stage detection timing LL / Multi-Boiler Field Wiring System Wiring HookupLEAD-LAG Operation Slave Operation and Setup Slave Mode USE FIRST, Equalize RUNTIME, USE LastSlave Parameters Overall Control LL Master Operation and SetupSlave Status Manager Periodic Data Polling MessagesInvalid Response or no Response AbnormalFaultCounter Used to tolerate momentary abnormalityMaster Heat Demand LL CH Demand Switch DISABLE, STAT, Environcom Remote StatMaster Service Status Master Active ServiceModulation Sensor LL Modulation Sensor S5Demand and Rate Rate Adjustment Integrator CompensationImplementation Rate Allocation Base Load Common 0-100%Rate Allocation Method Parallel Commonbase Limited Overflow and Underflow Modulating StageBurner Demand Stagerstate = IdleStagerstate = Active Error Threshold ADD-STAGE Error Threshold DegreesADD-STAGE Rate Offset -100% to +100% ADD-STAGE ConditionLL ALL Boilers OFF Threshold Temperature or None DROP-STAGE Error Threshold DegreesDROP-STAGE Rate Offset -100% to +100% DROP-STAGE ConditionLead DROP-STAGE on Error LAG Selecton Method Sequence ORDER, Measured RUN TimeForce Lead Rotation Time Hhmm or None Date Revision Form Forced Lead Rotation Sequencer 1 Minute EventSlave Write Data Slave Read Data