Bryan Boilers 250 Manuale Utente

Pagina di 81
 
Date:  
8-4-2010 
 
Revision: 0 
 
Form:  
2396
 
2.4 T
ROUBLESHOOTING
 
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
39 
 
Code Description 
Recommended 
Troubleshooting of Lockout Codes 
Code 
1 Unconfigured 
safety data 
1.New Device, complete device configuration and safety 
verification.  
2. If fault repeats, replace module. 
Waiting for safety 
data verification 
1. Device in Configuration mode and safety parameters need 
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: 
Hardware fault  
4 Internal  fault: 
Safety Relay key 
feedback error 
5 Internal  fault: 
Unstable power 
(DCDC) output 
6 Internal  fault: 
Invalid processor 
clock 
7 Internal  fault: 
Safety relay drive 
error 
Internal fault: Zero 
crossing not 
detected 
9 Internal  fault: 
Flame bias out of 
range 
10 Internal  fault: 
Invalid Burner 
control state 
11 Internal  fault: 
Invalid Burner 
control state flag 
12 Internal  fault: 
Safety relay drive 
cap short 
13 
Internal fault: PII 
shorted to ILK 
H OR L 
14 
Internal fault: HFS 
shorted to LCI 
Internal fault  
1. Reset module 
2. If fault repeats, replace module. 
H OR L