Suburban SFV-30 Service Training Manual

31
TROUBLE SHOOTING GUIDE
SUBURBAN RV FURNACES with FAN CONTROL MODULE BOARDS
12 VDC HEATING SECTION
 - NO →


- YES →
Clean points, secure loose connections,

▼
No
▼
▼


- YES → 
YES
No
▼
▼


- YES →


▼ YES
▼  - NO → 
▼
YES
▼
▼  - NO → 
▼
YES
▼
 - NO →



- NO →


▼
YES
▼
YES  - NO →

motor operation
▼
Motor is operating - NO →


Edge Connector
- YES →

to module board. If circuit remains open



YES


- NO →


- YES →



▼
No
▼
▼


- YES → 
YES
No
▼
▼


- YES → 
▼

(7) seconds and main burner flame

- NO →  - NO → 
▼ YES
▼  - NO → 
▼
YES
▼
▼  - NO →


▼
YES
▼
NO
▼
YES


- NO → 
▼
NO
▼
▼  - NO →


▼


- NO → 
YES
SYSTEM OK

Suburban SFV-30 Specifications

General

Brand	Suburban
Model	SFV-30
Category	Furnace
Language	English