The Hobart Corporation was founded in 1897 in Troy, Ohio, where it has been headquartered ever since. It is among the largest US manufacturers of commercial equipment for foodservice and grocery industry. In addition to the US, it has production sites in Brazil, Canada, China, and more.

The tables below contain the list of all the error codes, as well as the troubleshooting steps to follow when your Hobart dishwasher doesn’t work.

Hobart Service AM15 dishwasher error codes

Code	Solution/Cause
No or slow fill. Possible E2 display.	1. Debris may be obstructing standpipe movement allowing fill water to drain.
	2. Water supply may be off; make sure water supply valve is open.
	3. Dirty line strainer causing reduced water flow. Turn off water supply, remove strainer cap, withdraw and clean screen. Reassemble.
	4. Worn or torn drain O-ring allowing wash water to drain.
	5. If E2 displays: Water did not reach the float during a fill within 2.5 minutes. Press OFF, wait 5 seconds and press ON.
Possible Ed display.	1. Slow leak. Make sure the drain lever is closed, the standpipe is seated and the O-ring is clear of all food soil or other debris.
Dribbling water from lower rinse arm.	1. If equipped with electric booster, normal dripping from the lower rinse arm will occur during water heating due to expansion of the water. This will occur once between machine cycles.
	2. If water dribbles or leaks continuously from rinse arms on any machine
Possible E6 display.	1. Contact your local Hobart Service Office.
Wrench lights up and P1, P2 or P3 displays.	1. Contact your local Hobart Service Office.

Hobart GC-10A dishwasher error codes

Error code	Message text	Measure
3	Temperature not reached. Contact service technician.	Contact your HOBART Service Partner.
4
8
9
21	Fault in the drain system. Clean the drain hose if necessary and pump-out the machine again.	Clean the drain hose if necessary and pump- out the machine again.
22	Fault in the drain system. Clean the drain hose if necessary.	Clean the drain hose if necessary.
29	Program aborted. Close the door.	Close the door.
36	Detergent deficiency. Refill detergent.	Refill detergent
37	Rinse aid deficiency. Refill rinse aid.	Refill rinse aid
38	Input voltage too high! Machine has been switched off.	Have the input voltage checked by the (site) electrician.
39	Filling program aborted. Close the door.	Close the door.
41	External water treatment depleted. Replace.	Replace part or full desalination cartridge.
42	Osmosis pre-filter depleted. Replace.	Replace pre-filter.
43	Salt deficiency. Refill regenerating salt.	Refill regenerating salt
1	Hot water tank temperature sensor fault. Con- tact service technician.	Contact your HOBART Service Partner.
2
6	Wash tank temperature sensor fault. Contact sen/ice technician.
7
11	Wash chamber temperature sensor fault. Con- tact sen/ice technician.
12
13	Disinfection not guaranteed. Contact service technician.
14	Booster pressure sensor fault. Contact service technician.
15
16	Wash tank pressure sensor fault. Contact ser- vice technician.
17	Tank pressure sensor fault. Contact service technician.
18	Fault in the filling or drain system. Contact ser- vice technician.
19	Strainer blocked. Remove, clean and re-insert.	Remove, clean and re-insert strainer.
20	Wash tank pressure sensor fault. Pump-out machine.	Pump-out machine.
23	Fault in the filling system. Supply quantity too low.	Check site flow pressure.
31	Fault in the filling system. Check water supply.	Check water supply.
32
33	Fault in the filling system. Contact service tech- nician.	Contact your HOBART Service Partner.
35	Insert tank cover strainer correctly.	Insert tank cover strainer correctly.
44	Salt deficiency. Refill regenerating salt.	Refill regenerating salt
45	Number of wash cycles without regenerating salt exceeded. Contact service technician.	Contact your HOBART Service Partner.