TM 5-3610-293-13&P
4-10.
UNIT TROUBLESHOOTING. - Continued
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
7d. Water Level Monitor Will Not Operate.
Step 1.
Check tank for water.
Fill tank.
Step 2.
Check Fresh Water/Gray Water selector switch/S4 (8).
Set switch S4 to desired tank.
Step 3.
Check water level adjustment.
While holding test button in, rotate ADJUST TO FULL knob for correct reading.
Step 4.
Check power to water level monitor by testing fuse F1 (4) for continuity.
If open, replace fuse F1. If 0 ohms, replace power supply (5). (Refer to paragraph 4-22f.)
Step 5.
Check water level probes by setting Fresh Water/Gray Water selector switch S4 (8) to other tank and test
water level.
If no reading, replace water level monitor (9). (Refer to paragraph 4-22i.) If good reading, replace probe
(10) for tank with no reading. (Refer to paragraph 4-22j.)
7e. Drain Pump Will Not Operate.
Step 1. Check lamp DS3 (11) is lit.
If lit, replace drain pump (12). (Refer to paragraph 4-22c.)
Step 2. Check switch S2 (13) for continuity.
Replace switch S2. (Refer to paragraph 4-22d.)
If good, replace switch S1 (14). (Refer to paragraph 4-22d.)
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