Bradford-White Corp BNTH, BNTV, Modulating Boiler warranty Brute Elite, see Section, Error Codes

Models: Modulating Boiler BNTV BNTH

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(see Section 4.3)

Brute Elite

 

 

Page 51

 

 

 

 

 

 

 

 

 

CODE#

PROBLEM

PROBABLE CAUSE

SOLUTION

 

 

 

 

 

 

ALERT CODES

 

49

Maximum cycle count

Control operates correctly,

 

 

was reached

however the cycle count will

 

 

 

not increment any higher

 

 

 

than 999,999 cycles

 

Replace controller or adjust the count using blue display

50

Maximum hours count

Control operates correctly,

 

 

was reached

however the hours count will

 

 

 

not increment any higher

 

 

 

than 999,999 hours

 

248CH outdoor temperature was invalid

251

CH ODR max outdoor temp-

Confirm outdoor reset

 

erature setpoint was invalid

settings. An invalid

252

CH ODR min outdoor temp-

adjustment has been

made

 

erature setpoint was invalid

 

 

 

253

CH ODR min water temp-

 

 

 

erature setpoint was invalid

 

Adjust setting to within appropriate range

254

CH ODR temperature range

 

Increase Outdoor air temp-

 

was too small

erature min and max values

 

(min. 12°C / 22°F)

to a difference greater than

 

 

22°F (12°C)

 

255CH setpoint minus ODR min water temperature was too small (min. 12°C / 22°F) Increase setpoint or decrease min water temp.

Increase Outdoor water temperature min and max values to a difference greater than 22°F (12°C)

565 Heat exchanger T-rise limit

Heat exchanger temperature

Check for correct water flow

 

was exceeded

rise exceed

 

 

 

MISCELLANEOUS

 

Boiler will not stay lit

Indicates lack of flame signal,

Check flame detector wiring; clean / replace flame

 

 

check fault code on display

detector

 

Boiler bangs, knocks, hisses

Insufficient water flow /

Check for proper flow, follow piping guidelines in

 

 

pump failure; improper piping

manual; replace pump; improper glycol percentage

 

 

 

(see Section 4.3)

 

Flame pulsates, venting

Insufficient / improper

Ensure venting complies with Section 2

 

noise or has difficulty lighting

venting; dirty burner; air in

 

 

 

gas line; dirty heat exchanger

 

980

Display error

Communication error

Check wiring and connectors. Possible software

 

 

between the control

revision incompatibility.

 

 

and display.

 

981

Display error

Communication error

Check wiring and connectors. Possible software

 

 

between the control

revision incompatibility.

 

 

and display.

 

Table 18. Error Codes.

Page 51
Image 51
Bradford-White Corp BNTH, BNTV, Modulating Boiler warranty Brute Elite, see Section, Error Codes