Raypak HI DELTA 302B - Manual (Page 39)

39
Detection
Delay
Fault
Flow Switch
Blower Switch
Factory Option
External Interlock
CWS/CWR
Ignition Lockout
*Toggles Between /
Hi Delta
PVC Vent Limit-CHX
Manual High Limit
Auto High Limit
Low Water Cut-off
Vent Pressure
Low Gas Pressure
High Gas Pressure
Controller Alarm
Power On / No CFH
System Normal
Standby / WebSite*
Power On / CFH
System Normal
CFH Active / WebSite*
6 Internal Cntrl Fault Internal Cntrl Fault
Recycle/Reset Cntrl, Replace Control
Condition LCD Display Without Fault
4 Low HSI Current Low HSI Current
Check HSI Current, Replace HSI, Recycle Power, Replace Ign.
5 Low 24VAC Low 24 VAC
Check Power Supply, Check Transformer
2 Flame - No CFH Flame - No CFH
Shut Off Gas Supply, Recycle Power
3 Ignition Lockout Ignition Lockout
Recycle/Reset Cntrl, Push Reset Button
Field
Interlock #
Flashes LCD Display Readout With Fault
1 Low Air Low Air Fault
Check Blower, Check Filter, Check Air Sw. Hose
1
Ignition Lockout
Display actual Fault Flash Code
Recycle/Reset Control, Push Reset Button
See Table Below
90
Field Interlock Err
Check Louvers, Check Comb. Damper, Check
Extractor Sw.
3
CWS/CWR Fault
Confirm Inlet Temp, Reset CWS/CWR Cntrl
3
Blower Air Sw. Fault
Check Air Filter, Check Blower, Check Air Sw. Hose
3
Factory Option Fault
Check Factory Data, Check Wiring Diagram, Check
Freeze Control, Check Water Pressure
1
Controller Alarm
See Control Display
3
Water Flow Sw Fault
Check Boiler Pump, Purge Air, Replace Flow Switch
1
Lo Gas Press Fault
Confirm Settings, Check Supply Gas, Reset LGPS
1
Hi Gas Press Fault
Confirm Settings, Check Supply Gas,
1
Lo Water Cutoff Err
Purge Air, Check Pump, Chk Isolation Valve,
Reset LWCO
1
Vent Pressure Fault
Blocked Vent, Check Vent System
1
Man Hi Limit Fault
Confirm Settings, Reset Hi Limit
1
Auto Hi Limit Fault
Confirm Settings, Check Pump
LCD Display Readout With Fault
1
Cond Drain Blocked/Vent Temp Limit Err
Check Drain Switch, Check Drain/Check Vent System
Table R: UDB Fault Messages