TM 5-6675-319-14
Table 3-3. ORGANIZATIONAL TROUBLESHOOTING - Cont
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
1.
WATER DOES NOT CIRCULATE - Cont
Step 2.
Check SINK switch with multimeter for continuity when switch is on.
( a ) I f s w i t c h d o e s n o t i n d i c a t e c o n t i n u i t y w h e n o n , r e p l a ce
defective switch (paragraph 3-16.6) .
(b) If switch tests good, then replace or repair recycling pump
(paragraph 3 - 16 . 4 or 3 - 16 . 5).
2.
WATER CIRCULATES BUT IS TOO HOT OR COLD.
Step 1.
Check for improperly calibrated sink thermostat.
( a ) I f p r o p e r l y c a l i b r a t e d , p r o c e e d t o s t e p 2.
( b ) I f i m p r o p e r l y c a l i b r a t e d , c a l i b r a t e t h e r m o s t a t ( p a r a g r a ph
3-16.1).
Step 2.
Check for continuity of heating element.
( a ) I f c o n t i n u i t y i s p r e s e n t , p r o c e e d t o s t e p 3.
(b) Replace heating element if continuity is not observed
(paragraph 3 - 16 . 9).
Step 3.
Check condenser fan for operation when compressor runs.
(a) If condenser fan does not run, check condenser fan motor. If
motor is bad, replace condenser fan motor (paragraph 3-16.7).
( b ) I f c o n d e n s e r f a n d o e s n o t r u n , c h e c k t h e r m o s t a t . If
thermostat is bad, replace thermostat (paragraph 3-16.2).
( c ) I f m a l f u n c t i o n p e r s i s t s , r e f e r t o d i r e c t / g e n e r a l s u p p o rt
maintenance.
3.
REFRIGERATED CABINET DOES NOT MAINTAIN PRESET TEMPERATURE.
Step 1.
C h e c k r e f r i g e r a n t l e v e l.
( a ) I f r e f r i g e r a n t l e v e l i s c o r r e c t , p r o c e e d t o s t e p 2 .
3-28