MECHANICAL
#'*)+-(-()-#-;8F8<AFGEH6G<BAF4E8<AG8A7879BEG;8HF8B9DH4?<9<87C8EFBAA8?J;B4E8FC86<9<64??LGE4<A874A78KC8E<8A687<AG;8
<AFG4??4G<BAB9G;<FGLC8B9;84G<A:8DH<C@8AG4A7E8?4G87FLFG8@6B@CBA8AGF#AFG4??4G<BA4A7F8EI<68C8EFBAA8?@4L58E8DH<E875LFB@8
FG4G8FGB58?<68AF87*8EFBAFABGDH4?<9<87F;4??ABG4GG8@CGGB<AFG4??G;<F8DH<C@8AGABE4GG8@CGE8C4<EF466BE7<A:GBG;8F8<AFGEH6G<BAF
*+)&'
., ,)&.-#)(
Harmonics, or whining noise 85E<FBEE8FGE<6G<BA<AFLFG8@ &B64G8G;8E8FGE<6G<BA4A7E8@BI8 ?HF;FLFG8@4A76?84A
85E<F<A:4F?<A8 +8@BI8785E<FBE5?BJBHG:4F?<A8
&BJ9?BJ ,64?89BE@<A:<A;84G8K6;4A:8E6?84A;84G8K6;4A:8E4A7
6;86>CBB?C"4A7GBG4?4?>4?<A<GL
Heater going on and off <EGL9<?G8E ?84ABEE8C?4689<?G8E
continuously &BJJ4G8E?8I8?<ACBB? +4<F8J4G8E?8I8?
KG8EA4?5LC4FFF8GG<A:BHGB9
47=HFG@8AG 7=HFG5LC4FF
Liming or scale forming in *BB?J4G8E ,8804G8E;8@<FGELBAC4:8
exchanger LC4FF<A:GBB@H6;J4G8E #AFC86G5LC4FF9BE@BI8@8AG<9AB@BI8@8AGE8C?468
Sooting "<:;9?BJE4G8F +87H685L477<A:@4AH4?5LC4FFI4?I8
7=HFG@4AH4?5LC4FFI4?I8HAG<?;84G8EBHG?8GJ4G8E
G8@C8E4GHE8<F58GJ88AN 4A7N
<EFG4EI4G<BA +898EGB<AFG4??4G<BA<AFGEH6G<BAF
#@CEBC8EI8AG<A: B??BJE86B@@8A787<AFG4??4G<BA<AFGEH6G<BAF
#AF86GFBE785E<F6?B::<A:
5HEA8E<AG4>8CBEGF ?84A5HEA8EF
Yellow lazy flame <E<AG4>86?B::87BE<A6BEE86G
94ABC8E4G<BA ;86>9BE785E<FHCFGE84@B994A<AG4>8/8E<9L?BJ8E,H6G<BA
*E8FFHE8F88C4:8<FJ<G;<AE4A:8
#AF86GFBE785E<F6?B::<A:
5HEA8E<AG4>8CBEGF ?84A5HEA8E
Outer jacket very hot EB>8AE89E46GBEL64HF875L
(paint blistered) F;<CC<A:74@4:8BE<@CEBC8E
6B@5HFG<BA +8C?468E89E46GBELC4A8?F
K68FF<I8FBBG<A:B9;84G8K6;4A:8E 8G8E@<A864HF8B9FBBG<A:6BEE86G
Takes too long to heat .A78EF<M87;84G8E 4?6H?4G8;84G<A:64C46<GLB9;84G8E
pool or spa "GEBHGCHG-."
*BB?:4??BA4:8KBEE898EGB;84G8EF<M<A:6;4EG
-;<F7B8FABGG4>8<AGB466BHAG;84G?BFF7H8GBJ84G;8E
<?G8EABGEHAA<A:?BA:8ABH:; +8F8GG<@86?B6>
<EGL9<?G8E ?84A9<?G8E
!4F?<A8BE@8G8EHA78EF<M87 +898EGB<AFG4??4G<BA<AFGEH6G<BAF
Leaking at well )I8E46<7 +8C?468J8??4A7@4<AG4<ACEBC8EJ4G8E6;8@<FGEL
Leaking at heat exchanger )I8E46<7 +8C?468;84G8K6;4A:8E4A7@4<AG4<ACEBC8EJ4G8E6;8@<FGEL
Gasket brittle and leaking - "84G8EEHAA<A:49G8ECH@CF;HGFB99 ,88*E8FFHE8,J<G6;7=HFG@8AG
(overheated) +89E46GBEL74@4:8 +8C?468E89E46GBEL
,BBG87;84G8E 8G8E@<A864HF8B9FBBG<A:4A76BEE86G
Combustion fan not running 4AE8?4L +8C?46894AE8?4L
“Fan 5 min Delay” signal or 4A &BBF86BAA86G<BABE94<?87@BGBE
“Fan Lockout” signal HEA87@BGBE #A6BEE86GJ<E<A:E8C?4685?BJ8E
<ECE8FFHE8FJ<G6; +8C?4684<EFJ<G6;
SECTION 5 - TROUBLESHOOTING
* Indicates symptom which usually occurs on initial start-up.